3. What is frequency measured in?
Kilowatt hours
joules
period
hertz

Answers

Answer 1

Answer:

hertz

Explanation:

Answer 2

Answer:

Hertz

Explanation:

The international system of units states that frequency is measured in hertz.


Related Questions

What is the process of mitosis?

Answers

Answer:

duplication of 2 dioploid identical sister cells

Explanation:

inter-phase, pro-phase, meta-phase, ana-phase, telo-phase, cytokinesis

Describing Periods on the Periodic Table
Which statement accurately compares the trends in atomic number and atomic mass in the periodic table?
The atomic number increases from left to right, while the atomic mass increases from right to left.
O The atomic mass increases from left to right, while the atomic number increases from right to left.
O Both the atonic mass and the atomic number increase from left to right.
O Both the atomic mass and the atomic number increase from right to left.

Answers

The atomic mass and the atomic number increase left to right

What results will the scientist most likely obtain when placing drops of the indicator on the leaves?

Answers

Answer:

The scientist will be most likely obtain when placing drops of the indicator on the leaves by resulting dark purple.

Explanation:

dark purple is the answer.

Considering that the indicator is Phenolphthalein, then it will remain colourless. If it is methyl orange, then it will become red. If it is universal indicator, then it will become blue to dark blue. Because leaves are slightly acidic.

CHAPTER ONE THE CHEMICAL COMPONENTS OF THE CELL Biology Form Three Student Book
1. What is the percentage by mass of oxygen, carbon, hydrogen, nitrogen,
phosphorus and sulfur in the earth and in the human body? What do you
observe?
(MB
2. Which elements have a higher percentage in the nature and in the human
body? State some compounds that contain these elements in their struc-
ture.
3. Many chemical substances enter the structure of the of the cell. In your
opinion, what is the importance of these substances? Why have you select-
ed these substances?
4. There are other elements that exist in a fewer percentage, search these
elements and state the percentage abundance of each in the cells of living
organisms.​

Answers

1. Almost 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium.
2. The four most abundant elements in the human body – hydrogen, oxygen, carbon and nitrogen – account for more than 99 per cent of the atoms inside you.

PLEASE HELP ASAP FOR 25 POINTS!! :D
6 Identify) What particle increases in number when a base is dissolved in water?
​​A: OH–
B: H3O+
​​C: H2O​​
D: H'

Answers

Answer: A: OH-

Explanation:

Bases are substances that increase the concentration of OH- ions in water when they dissolve in it.

which is considered a chemical mutagen

Answers

Examples of chemical mutagens would be nicotine and other compounds in cigarette smoke that cause mutations involved in lung cancer.

Which RNA base pairs with the adenine in DNA?
Thymine
guanine
cytosine
uracil

Answers

Thymine is ur answer for in DNA

Answer:

uracil

Explain: it pairs up with the dna

100 points


what is 1 times 1 in Biological perspective​

Answers

Answer:

1

Explanation:

Answer:

is answer 3

Explanation:

never even heard of Biological perspective

When deciding on new environmental policies
and laws, which term is used to describe the
comparison between benefits and costs of
human activities?

Answers

Answer:trade-off

Explanation:trust me bro i just got it right

During the Cardiovascular Function Labster simulation, cardiac output did not increase as much as oxygen consumption rate (which increased 8x), what is the most likely mechanism that could allow increased oxygen delivery by the cardiovascular system

Answers

Answer:

An increase in the rate of oxygen that has been removed from hemoglobin could increase the supply of oxygen by the cardiovascular system.

Explanation:

Hemoglobin is a protein, present in the cardiovascular system, whose main function is to remove oxygen from the lungs and take it to the tissues of the human body. Therefore, the more oxygen is removed from the hemoglobin, the greater the oxygen supply. This applies even in the situation presented in the question above, where cardiac output did not increase in the same way as oxygen consumption. In this case, if oxygen consumption is high, the removal of oxygen from the hemoglobin must be increased to supply this consumption.

Besides the interaction between animals and plants, what other factors may be involved in the carbon and oxygen cycles?

Answers

Answer: .co2

Explanation: co2

Answer:

The other factors which are involved in the carbon and oxygen cycles are air, ground, respiration, and photosynthesis.

Which factor contributes to the carbon cycle?

Explanation: Human activities have a tremendous impact on the carbon cycle. Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere.

How do plants and animals interact with the carbon cycle differently from one another?

Through food chains, the carbon that is in plants moves to the animals that eat them. Animals that eat other animals get the carbon from their food too. Carbon moves from plants and animals to soils. When plants and animals die, their bodies, wood, and leaves decay bringing the carbon into the ground.

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water strider able to walk on the surface of the lake

Answers

Answer: ??

Explanation:

Answer:

it is able to walk on water because it's feet have hydrophobic atoms on their feet that help them walk on the water

Helppppppppppppppoo meeeeeeee

Answers

The second answer is the correct one
2, 3, 1, 4, 5, 6

Good luck I hope this helped!

With 600 islands, the largest freshwater lake in Europe is Lake _________​

Answers

Answer:

Lake Ladoga is the answer

Would would be the possible gamete combinations?

Answers

Answer:

1/4 WR; 1/4 wr; 1/4 wR; 1/4 Wr

Explanation:

The principle of independent assortment indicates how different genes independently separate from one another when gametic (reproductive) cells develop. When a cell divides by meiosis, homologous chromosomes are randomly distributed to daughter cells, thereby different chromosomes segregate independently of each other. In consequence, each gamete has a unique combination of chromosomes. In this case, the two genes are on different homologous chromosomes, thereby gene variants (alleles) will be randomly distributed to daughter cells during meiosis (anaphase I) and thus the expected proportion of gamete genotypes will be 1/4 WR, 1/4 wr, 1/4 wR, 1/4 Wr.

What is an example of the strong force in action

Answers

Answer:

A magnet keeps a cabinet door closed. The Sun pulls on Earth as Earth moves around the Sun. The protons in the nucleus of a carbon atom are held together.So this is an example of the strong force in action.

There are 4 fundamental types of forces:

1. Electromagnetic

2. Gravitational

3. Strong

4. Weak

You asked about strong force, the strong force keeps quarks together in clusters to make more-familiar subatomic particles, such as protons and neutrons.

State your claim. Make sure your claim fully explains how infrared photography can be used to visualize temperature differences​

Answers

Answer:

Infrared thermography using an infrared camera is the most popular technique for detecting surface temperature without contact. ... Passive thermography measures relevant temperature differences of the surface by heating it with lamps (heat sources).

evidence of evolution on comparative embryology​

Answers

Answer:

Scientists have used comparative embryology to study and gather evidence of evolution. Karl Ernst von Baer, a Russian scientist, made observations on embryos of different species and came up with four principles of comparative embryology: 1. General features of an embryo appear before specialized features.

Explanation:

What are the products of photosynthesis?
O A. C2H4O2 and H20
O B. C2H4O2 and 02
O C. C6H1206 and H20
O D. C6H1206 and 02
:)

Answers

Answer:

c

Explanation:

am not really sure but the c6h12o6 actually stands for glucose

Plz do 6 and 9❤️❤️❤️❤️❤️ Plz

Answers

Answer:

no

Explanation:

How Many Years Ago Was Parachute Invented?????
If YOU WANT BRAINLEST THEN ASAP​

Answers

the parachute was invented 4,000 yrs ago! :)

Answer: 4,000 years ago

The parachute was invented 4,000 years ago, when Chinese observers noticed that air resistance slowed free-falls. Legend states that a safe jump was made from a granary using two bamboo hats. In the 800s, Abbas Ibn "Armen" Firnas jumped off a tower in Cordova (Iberian peninsula) using a large cloak like a wing.

Why does a buzzer starts to buzz as soon as the circuit is complete?

Answers

Answer:

The circuit is complete again and the the electric charges start to flow. ... Depending on the distance between the electromagnet and the nail, the rigidity of the rubber band and the strength of the electromagnet, the circuit can be broken and completed several times a second. Hence you hear a buzzing sound

Answer:

Depending on the distance between the electromagnet and the nail, the rigidity of the rubber band and the strength of the electromagnet, the circuit can be broken and completed several times a second. Hence you hear a buzzing sound.

Living organisms are commonly divided into six kingdoms: archaea, bacteria, fungi, protists,
plants, and animals. What’s the biggest problem with classifying organisms in this way?

Answers

they may be in the same category but they don't have the same biological makeup

The biggest problem in classifying organisms this way is that the way is not well-defined and diverse and if any organism doesn't fall into another kingdom that is added to these kingdoms.

What is classification?

Organisms are classified into groups and classes on the basis of their characters and structure. It helps in identifying and understanding the diversity of living organisms.

The six kingdom classification is based on similar characteristics like cell type, and food. Before this, scientists divide the organism into plants and animals.

Thus, The major issue with this system of classifying creatures is that it is not well-defined and diverse, and if an organism does not fit into one of the existing kingdoms, it is added to those already there.

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The student comes up with the following hypothesis: Hypothesis: If I increase the
temperature of the water, then the rate of cellular respiration will increase because the
yeast will be more active. For the lab report, what should the student state as their
problem/question they are trying to answer

Answers

Answer:

what happens to the rate of cellular respiration when the temperature of the water increases.

Explanation:

I'm not 100% sure but i think that, that is at least close to what you are looking for.

Which part of the brain is indicated by the arrow below?
Pons
Cerebellum
Cerebrum
Medulla oblongata

Answers

Answer:

Pons

Explanation:

The Pons of the brain is indicated by the arrow below.

Pons is located in front of cerebellum, composed up nerve fibers make a bridge between he two hemispheres of the cerebellum of brain. Thus option A is correct.

What are the different parts of brainstem ?

The brain stem have different parts such as midbrain, pons, medulla oblongata.

The midbrain present  between the cerebrum and pons.

The nuclei and cerebral tracts are present, where nuclei act as a  relay stations for both ascending and descending nerve fibers, mainly involve in auditory and visual reflexes.

Pons is present in front of cerebellum, the nerve fibers make a bridge between the two hemispheres of the cerebellum.

Medulla oblongata is the most interior part of the brain stem, continuous with the spinal cord, the outer portion is called white matter and the central portion have grey matter.

Thus option A is correct.

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What are the early signs of osteoarthritis?

Answers

Pain areas: in the joints, hands, hip, knee, lower back, or neck
Pain circumstances: can occur related to weather
Pain types: can be severe in the joints
Joints: stiffness, crackles, swelling, or tenderness
Hand: bump on the finger or bony outgrowth in fingers or toes
Also common: joint deformity or limping

Joint pain in the hands, neck, lower back, knees, or hips is the most common symptom

The energy-yielding phase of _____________ generates two molecules of NADH and four molecules of ATP per processed glucose molecule.

The citric acid cycle
The electron transport chain
ATP synthase
Glycolysis

Answers

Answer:

I think it’s Glycolysis

Explanation:

Answer:

Hi, there the answer is Glycolysis

Explanation:

Glycolysis produces 2 ATP, 2 NADH, and 2 pyruvate molecules: Glycolysis, or the aerobic catabolic breakdown of glucose, produces energy in the form of ATP, NADH, and pyruvate,

Hope This Helps

▪️Chapter - The fundamental unit of life
▪️Quality answer needed
▪️No Copied answer ( This type of answer will be reported at spot)
✗No spam please..​​

Answers

Answer:

The difference between Prokaryotic cell and Eukaryotic cell are;

[tex]\begin{array}{lll}&\underline {\text {Prokaryotic}}& \underline {\text {Eukaryotic}}\\ \\ \text {Nuclear \ membrane \ and \ nucleus} & \text {No \ true \ nucleus \ or} & \text {Has \ a \ true \ nucleus} \\& \text {nuclear \ membrane} & \text {nucleoli \ and \ nuclear \ membrane}\\\\ \text {Membrane \ bound \ cell \ organelle} & \text {None &Present} \\\\ \text {Chromosome \ number \ and \ shape} & \text {One} & \text {Several, more \ than \ one} \end{array}[/tex]

Explanation:

Prokaryotic cells

The plasma membranes surround prokaryotic cells, however, within their cytoplasm, there are no organelles bound to the membrane and there is no nucleus in the prokaryotic cell which differentiates it from the eukaryotic cells

Eukaryotic cells

Eukaryotic cells also have plasma membranes, ribosomes and cytoplasm. Eukaryotic cells also have membrane-bound nucleus, membrane bound organelles, such as chloroplast, mitochondria, endoplasmic reticulum, and Golgi apparatus which together differentiates it from a prokaryotic cell

PLS HELP BIG GRADE 5. Water stored in a reservoir is used to generate electricity as it flows down and into a river. The river flows to the ocean, where it evaporates to form clouds. Rain falls from the clouds into streams that flow into the reservoir.
Which location of the water has most potential energy? Assume the amount of water in each place is the same. These are the locations: 1. where it enters the river from the reservoir, 2. when it is in the ocean, 3. when it is in the reservoir, and 4. when it is in the clouds.
1. Where it enters the river from the reservoir.
2. When it is in the ocean.
3. When it is in the reservoir.
4. When it is in the clouds.
Explain your answer.

Answers

Answer: Water falls from a reservoir through a channel to a turbine. The water turns the turbines, which allows the generator to make electricity.

Explanation: Hydroelectricity can be defined as the generation of electricity by utilizing the speed of water stream in a reservoir of water. The high speed water current is used to move the water turbine the energy produced in the turbine can be used to generate electricity by the generator.

True or False:
Variation is key to life on the planet, but while it benefits the group, it doesn't benefit every individual IN the group.

Answers

Answer:

I believe the awnser is true. ((I'm not completely sure))

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EPS, P/E Ratio, and Dividend Ratios The Stockholders' Equity section of the balance sheet for Balla Enterprises at the end of 2017 appears as follows: 8%, $100 par, cumulative preferred stock, 200,000 shares authorized, 50,000 shares issued and outstanding $5,000,000 Additional paid-in capital on preferred 2,500,000 Common stock, $5 par, 500,000 shares authorized, 400,000 shares issued and outstanding 2,000,000 Additional paid-in capital on common 18,000,000 Retained earnings 37,500,000 Total stockholders' equity $65,000,000 Net income for the year was $1,350,000. Dividends were declared and paid on the preferred shares during the year, and a quarterly dividend of $0.40 per share was declared and paid each quarter on the common shares. The closing market price for the common shares on December 31, 2017, was $27.65 per share.Required:1. Compute the following ratios for the common stock:When required, round earnings per share and price/earnings ratio answers to two decimal places. For dividend payout and dividend yield ratios, round raw calculations to 4 decimal places, but enter each answer as a percentage to two decimal places; for example, .17856 rounds to .1786 and would be entered as 17.86, indicating 17.86%.a. Earnings per share$b. Price/earnings ratioto 1c. Dividend payout ratio%d. Dividend yield ratio%2. Before recommending the stock of Balla to a client, as a financial adviser, you would like to know:future earnings growth.risk of the stock.general economic trends and how they affect the company.all of these. 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Actual overhead costs for the year were $204,330. Pinacle's plantwide allocation base, machine hours, was budgeted at 51,060 hours. Actual machine hours were 56,680. A total of 102,310 units was budgeted to be produced and 98,000 units were actually produced. Pinacle's plantwide factory overhead rate for the current year is: a.$4.00 per machine hour b.$4.75 per machine hour c.$2.00 per machine hour d.$2.37 per machine hour m) Factorise:x2/9+1+9/x2 Which entry would be found in a thesaurus?1. It's A Fact: In the US there is an average of 13 cases of plague reported each year.2. fine, delicate, light, gauzy, lacy, sheer, wispy3. habitat \ha-b-tati n. 1. the place or environment where an animal lives4. United States, History of the. The history of the United States is the story of a great nation. Pls help I have to find the area