Answer:
B. Carbon
Explanation:
in your body, including proteins, DNA, RNA, sugars, and fats. These complex biological molecules are often called macromolecules; they're also classified as organic molecules, which simply means that they contain carbon.
The Body is 70% water
Answer:
True.
Explanation:
Water in our blood helps carry nutrients, the important things we get from food, around the body. Water is a key ingredient for helping our organs stay healthy. In fact, our brain is about 70% water. Our lungs are about 90% water.
I honestly didn’t know how answer your stateme but okayy buddy.
please answer this for me
The division of the nucleus is called
metaphase.
replication.
ОООО
cytokinesis.
mitosis.
replanting trees on a bare hillside is an example of
A) conservation and refforestation
B) preservation and conservation
C) restoration and preservation
D) refforestation and restoration
Answer:
A
Explanation:
firstly, conservation because by planting trees, the land dat was once proned to erosion is covered thereby conserving de land and reforestation because, u hv replaced trees dat were once cut there
A person who forwards on a sexual picture of another can get in as much trouble as a person sending a picture of themselves (sexting).
True
False
The statement about the s exual pictures is TRUE.
The person might get convicted for the crime and can severely punished if he post or share the pictures without consent.It comes under cyber crime.What come under cybercrime?Child P ornography OR Child s exually abusive material (CSAM) Cyber Bullying. Cyber Stalking. Cyber Grooming. Online Job Fraud. Online S extortion. Phishing. VishingTo know more about cyber crimes here
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Why did Gregor Mendel choose to use purebred plants in his experiments?
A They reproduce sexually.
B They exhibit only one form of a trait.
C They have a variety of traits.
D They reproduce asexually.
Answer:
B
Explanation:
Gregor Mendel chooses to use purebred plants in his experiments because they exhibit only one form of a trait. The correct option is B.
What is Mendel's experiment?Mendel altered pure pea plant lineages. First-generation hybrids (F1) displayed dominant qualities like purple flower color while hiding recessive traits like white bloom color.
But in second-generation (F2) pea plants, recessive characteristics returned in a 3:1 ratio (dominant to recessive). Every pea plant has both male and female reproductive organs, and they all typically procreate by self-pollinating.
This was crucial to make sure that there were no other factors influencing the result of the cross when he crossed two plants with different features.
Therefore, the correct option is B, They exhibit only one form of a trait.
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If a person is operating a leaf blower at 110 decibels, and using a pair of noise cancelling headphones that reduces the relative intensity by 100 times, will the sound be in the safe range of human hearing?
Answer:
Yes
Explanation:
Please help asap!! I will mark you as brainliest :)
Answer:
50%
Explanation:
What will happen to the rate of
photosynthesis if the amount of
atmospheric nitrogen available to
a plant increases?
A. It will increase.
B. It will decrease.
C. It will be unaffected.
Answer:
A, it will increase
Explanation:
nitrogen is essentially like food to plants. so the more they get the bigger they can grow.
Archaea (or extremophiles) like to live in extreme environments.
A. True
B. False
Answer:
A. True
Explanation:
We could just split the two parts of "extremophile'' and we get the gist.
"extremo-" (from Latin extremus) means to the highest degree of something.
"-phile" (from Greek philia), means love.
As a result, the term means "loving being in the highest degree (or something like that)."
To explain things, archaea are adapted to these extreme environments (hence the name extremophiles), except for hyperthermophily. Fungi, for example, live in mining areas, which are acidic and metal enriched.
Plz help me I need help
water molecules are polar.
mark me brainliesttt :))
Summarize the functions of the vertebral column
Answer:
function of vertebral columnExplanation:
The major function of a vertebral column is to protext the spinal cord,it also provides stiffening for the body and attachment for the pectoral and pelvic girdle and many muscles. In human an additional function is to transmit body weight in walking and standing.
How would an asthma attack most likely affect oxygen delivery in the body
Answer:
when things are working normally, the amount of air we breath in is about the same as the amount we breath out. But during an asthma attack, air gets trapped in the lungs making it harder and harder to breath
The overall process of photosynthesis can be written as the equation:
A. 6 glucose + 6 water --> 6 oxygen + 6 carbon dioxide + light
B. 6 water + 6 carbon dioxide (+ light) --> 6 oxygen + glucose
C. 6 oxygen + 6 water (+ light) --> 6 glucose + carbon dioxide
Answer:
B. 6 water + 6 carbon dioxide (+ light) --> 6 oxygen + glucose
Explanation:
Remember that in a chemical equation the reactants (input) are on the left and the products (output) are on the right. For photosynthesis to occur 3 different reactants are needed: water, carbon dioxide, and light. Note that because the light is not an element or molecule, it is sometimes written in paratheses or left out of the equation. Then, the products are glucose, which is the intended product, and oxygen, which is an unintentional byproduct that is released back to the atmosphere. Additionally, the equation for cellular respiration is the opposite of this, with the products as reactants and vice versa (except ATP is switched in for light).
Answer: CORRECT
Explanation:
cORRECT
A scientist separates a population of lizards into two groups. What would
most likely increase the rate of speciation in this population?
A. Have one group breed twice as often as the other.
B. Keep the two groups apart, but in identical ecosystems.
C. Force the two groups to breed with each other.
D. Have one group live with a much stronger predator.
Answer:
Hi, there your answer is D. Have one group live with a much stronger predator.
Explanation:
Having one group live with a much stronger predator will most likely increase the chances of speciation.
What is speciation?It is a process by which a new species of an organism is created.It occurs due to evolution.It occurs when a portion of population gets separated from the original population and evolves different characters that are heritable.Will speciation occur if :one group breeds twice as often as the other? No, because no selective force is acting on it.both groups are in identical ecosystem? No, since no reason for adapting and evolving a new character will be there.both groups interbreed? No, there is no competition, no struggle for existence and hence no evolution occurs.one group lives with a strong predator? Yes, since they will evolve evasive mechanisms and characters.To learn more about species, evolution, and predator here,
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When someone says the word "desert," what plant do you picture? You're probably
picturing the saguaro cactus. Saguaros are known for their long, tall branches that look like
arms. These branches don't start to grow until the cactus is 50 to 70 years old. The folds
along the saguaro's stem and branches are called pleats. What are they for? These pleats
store water for the cactus, which is important in the hot, dry desert. A desert plant's spikes
aren't just to keep animals away. They also help provide shade during the long hours they
spend in the sun.
A saguaro cactus will
A
store water in its pleats.
B
shoot spikes at animals.
С
only live up to 70 years.
D
grow branches immediately
Answer:
It's A
Explanation:
which of the following shapes is not a common shape of a prokaryote?
a. bacilli
b. cocci
c. cylinder
d. spirochetes
NO WRONG ANSWERS PLS
Answer:
c
Explanation:
Which of the following statements about the nucleus is NOT true?
A. The nucleus contains DNA proteins that make RNA copies of DNA.
B. The nucleus is the site of protein assembly.
C. The nucleus stores the coding instructions for constructing the cell's proteins.
D. The nucleus is surrounded by a membrane that lets materials in and out.
Answer:
statement A is not true.
Electric current is the flow of ________ through a substance.
Answer:
Electrons
Explanation:
Answer:
A current is a flow of electrons for this to happen there must be a closed circuit.
- The electricity is nothing but a flow of free electrons present in the external surface of the electricity conducting substance.
The flow direction of this electron flow is also the direction of electricity flow.
- There is a type of electrical circuit which is known as the closed circuit. This circuit is completely connected with the two terminals of the battery and there are no hindrances in the path of electricity flow in these circuits. That's why current can only flow through these complete circuits.
HELPPPP, ASAPPP THEY ONLY GAVE ME A FEW MINUTES TO COMPLETE!!
Discuss the benefits and drawbacks of
using solar energy and wind energy.
Answer:
hmm I'd say something like "Solar and Wind energy systems are renewable sources and ultimately are healthier for the planet, the drawback is that other resources (i.e oil and coal) tend to be cheaper"
Answer:
Solar Energy:-Benefits-
Solar power is completely cleanIt produces no air pollution, no water pollution, no greenhouse gas effects and carbon - free alsoNo harmful emissions are released when electricity is being produced by solar panels.It also reduces the need for finite resources.Drawbacks-
Solar Energy Storage Is ExpensiveUses a Lot of SpaceIts Weather-Dependent, slthough solar energy can still be collected during cloudy and rainy days, the efficiency of the solar system drops.Initial cost of purchasing a solar system is fairly high.Wind Energy:-Benefits-
Wind is a domestic source of energyIt's a clean fuel sourceIt's sustainable and causes no harmful emissions. Wind energy is a green energy source and does not cause pollution.Drawbacks-
Wind turbines are prone to noise disturbances.The wind is inconsistentWind turbines involve high upfront capital investment.Installation can take up a significant portion of land.What was Darwin’s conclusion about the shells in Santiago
Answer:
Darwin noticed that the plants and animals on the different islands also differed. For example, the giant tortoises on one island had saddle-shaped shells, while those on another island had dome-shaped shells (see Figure below). People who lived on the islands could even tell the island a turtle came from by its shell.
Explanation:
Energy
as it transfers from one consumer to the next.
increases
decreases
stays the same
Explanation:
increases
I hope I helped u >~<
What are valence electrons?
A. the atomic mass
B. the atomic number
C. all of the electrons in an atom
D. electrons in the outermost energy level
Answer:
D
Explanation:
The simple answer is the electrons in the outermost energy level.
Hydrogen has 1 electron in the outermost energy level.
Magnesium has 2 so this tells you that magnesium has a charge of 2
Oxygen has 6 oxygen has a charge of - 2
Fluorine has 7
For most elements, the electrons in the most outer ring determine the valence of the element.
Notice that the non metals work differently than the metals. Mg may have a charge of 2 and that is the number of electrons in the valence right.
Oxygen is a non metal it has a charge of - 2. It gets 6 electrons by subtracting the number of its charge from 8.
Answer:
D. electrons in the outermost energy level
Explanation:
The valence electrons are the electrons in the outermost energy level.
A biologist found an asymmetrical organism. A part of the organism was injured, but it was able to repair itself through regeneration.
Because the organism is asymmetrical and it was able to regenerate, it's probably
and belongs to the phylum
Answer:
Because the organism is asymmetrical and it was able to regenerate, it’s probably (an amphibian), and belongs to the phylum (Mollusca).
In regeneration, the organism is asymmetrical and it was able to regenerate, it’s probably (an amphibian), and belongs to the phylum (Mollusca).
What do you mean by regeneration?In plants and animals, regeneration is the natural process of restoring damaged or missing cells, tissues, organs, or even entire body parts to full function.
One of the processes by which an organism split into multiple pieces regrows to its original state is regeneration. Stem cells are specialized cells that carry out this process. It happens in life forms that have an exceptionally basic construction with not many particular cells.
Plants and animals can replace or restore damaged or missing cells, tissues, organs, and even entire body parts to full function through a natural process known as regeneration. Regeneration is being studied by scientists for its potential medical applications.
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3.2 Justify the statement by giving TWO reasons why Nguni cattle
can thrive under difficult condition.
(2)
Answer:
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Explanation:
theres the answer.
Help Pls, realllly important! Absurd answers will be reported •_•
I’ll put picture below ;D
Which of the following best explains the speed at which these planets orbit the Sun?
Thanks! <3
Answer: Imma be honest I think it's the 2nd one
Explanation:
Answer:
option b
Explanation:
have a great dayyyyy
Cuanta poblacion tiene Yunga?
Answer:
1570
Explanation:
Which is the best way to describe the biodiversity of an area?
Answer:
The best way to describe of biodiversity in a area is a grassland with a wide variety of organisms living on it.
Explanation:
The atomic number determines an elements identity and shows the number of _________________ in the atom.
A. protons + neutrons
B. nucleons
C. protons
D. neutrons
Answer:
c- protons??? I'm pretty sure
Why are the leaves important to a plant?
A. They take in oxygen
B. They remove water out of the atmosphere
C. Contain chloroplast that perform photosynthesis
