Answer:
All electromagnetic fields (EM waves) consist of two component fields, electric fields (E fields) and magnetic fields (H fields). E fields and H fields are companions and together make up the total EM field. Where one is, so is the other
Explanation:
Your welcome ! Let me know if you need a better explanation.
Tell me a tertiary consumer that lives in streams or rivers. Tertiary consumer is an animal that eats other animals. this is how it will be:
producers --> primary consumers --> second consumers --> tertiary consumers.
This is a major grade, please help
Answer:
l don't know l just forgot
1. Write a sentence explaining the relationship between the words DNA, genes, and chromosomes.
2. Name three examples of genetic traits that you inherited from your parents.
Which is a bioindicator?
A. current
B. water
C. rock
D. insect
Answer:
D.) Insect
Explanation:
A bioindicator is a living organism that gives us an idea of the health of an ecosystem.
What is the difference between an endoskeleton and a exoskeleton? What types of animals have each?
Answer:
an endoskeleton is a skeleton on the inside of a living creature. look at endo like enter, its on the inside! an exoskeleton is on the outside of a living creature. think of exo as exit, its on the outside! animals with endoskeletons are like dogs, cats, fish, and raccoons. animals with exoskeletons are like spiders, ants, crabs, and snails.
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How is information passed between neurons in the body?
A. through impulses
B. through motor neurons
C. through interneurons
D. through sensory neurons
Answer:
The place where the axon of one neuron meets the dendrite of another is called a synapse. Neurotransmitters travel across the synapse between the axon and the dendrite of the next neuron. Neurotransmitters bind to the membrane of the dendrite. The binding allows the nerve impulse to travel through the receiving neuron.
Explanation:
Answer:
D. sensory neurons
What do these two changes have in common?
saliva breaking down a piece of bread
a penny tarnishing
Select all that apply.
both are caused by heating
both are chemical changes
both conserve mass
both are changes of state
Answer: both are changes of state and both are changes of state
Explanation:
.
The two changes like the Saliva breaking down a piece of bread and a penny tarnishing involves chemical change. Thus, the correct option for this question is B.
What do you mean by Chemical change?A Chemical change may be defined as a type of change that significantly involves the production of new substances from old ones by combining each other with different properties.
The action of saliva is stimulated by the action of the enzyme salivary amylase which hydrolyzed the starch into maltose, a disaccharide. A penny tarnishing involves the dissolution of copper oxide in a mixture of weak acid and table salt.
Therefore, the given two changes have in common that both are chemical changes. Thus, the correct option for this question is B.
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do u ever wanna be left alone but u cant?
Answer:
No, I'm a lonely person
Answer:
no I am lonely took brother
Please help, will give brainiest
Answer:
i can do all the work for u
Explanation:
20 POINTS!
1. The four types of tissue in the body are epithelial, connective, muscle, and nervous.
True | False
2. Muscle tissues are bundles of muscle fibers that are arranged in perpendicular lines.
True | False
3. Epithelial tissues act as a supporting framework for most organs of the body.
True | False
4. The nervous tissue is composed of three main parts: nerves, the spinal cord, and the brain
True | False
5. Epithelial tissues are found in body surfaces, line body cavities, and hollow organs.
True | False
6. Cardiac muscle tissue is a specialized, organized type of tissue that only exists in the heart and the lungs.
True | False
7. The epidermis, or the outermost layer of the skin, is an example of epithelial tissue.
True | False
8. Neutrons are cells of the nervous system that conducts nerve impulses.
True | False
9. Connective tissues are found in between other tissues everywhere in the body.
True | False
10. Muscle tissues are classified into cardiac, epidermal, skeletal, and smooth.
True | False
Answer:
fals tru true
Explanation:
An egret lives near cattle and eats insects stirred up by the cattle's grazing.
a. Neither
b. Commensalism
*by my profile its actually not biology cause it didn'*t have science subject*
Explain how crustal deformation builds land forms.
A. When two tectonic plates start to push into each other they can rise up and build mountains, or sink under and create deep valleys.
B. When wind and rain slowly wear away rock, they leave behind new looking land forms.
C. When sediments are laid down over vast areas the forces involved create rock over a very long period of time.
D. When two tectonic plates slide away from each other the inner liquid layer of the mantle comes to the surface as lava and creates new islands.
Answer:
A. When two tectonic plates start to push into each other they can rise up and build mountains, or sink under and create deep valleys.
Explanation:
It is true
The image shows a week-old chick embryo. What can you conclude about its current stage of development? Help me please, it’s multiple choices
Answer:
1. A spinal column is present
5. It's about to undergo a metamorphosis
Explanation:
It's:
#1 because, you can clearly see the spine in the image.
#5 because, metamorphosis is a very common process which marks the transition between embryonic and adult life stages.
It's Not:
#2 because the chick already developed limbs and an beak.
#3 because chickens are vertebrates (animals that lack an back bone are invertebrates).
#4 because it's a chick, chickens are considered mature when they start laying eggs.
As a tornado passes across the farmland, it can blow away as much as 5cm of topsoil. What impact does this most likely have on the local ecosystem?
Answer:
i Belive the anwer is D
Explanation:
Which diagram correctly portrays the direction of the prevailing winds in each latitude band? (look at the pictures)
A.
E.
B.
C.
D.
Option C and E are the diagram which correctly portrays the direction of the prevailing winds in each latitude band
what is latitude?Latitude and longitude are two most important terms which are the coordinates that, together, tells exactly location of an object on the surface of the Earth.
Latitude tells the position of the object or anything between the North Pole and the South Pole where equator is zero degrees, the North Pole is 90 degrees North, and the South Pole is 90 degrees .
Parallels called as latitude lines which run across the Earth from east to west at a constant latitude, for example would be the equator, which is at zero degrees of latitude
Latitude is major indicator of navigation because the path of the sun is different depending on the object's latitude, so it varies based on the time of year.
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Please fill out this super hard chart
How would an animal feel after they hibernate?
A:Tired
B:Fat
C:Hungry
D:Warm
Please don’t do links and please try YOUR best I won’t be angry if u get it wrong at least u tried ur best thank you
Answer: Hungry
Explanation:
They've just slept for months, they haven't eaten
When its central nervous system sounds the alarm, a hibernator starts to shiver.
I’m guessing C...
This back-and-forth is exhausting, and hibernators do it with little to no food and water.
What are the characteristics of vitamins and minerals? (Select all that apply.)
They help your immune system fight disease.
They are produced inside the body.
They are gained by the body by eating.
They help the body get energy.
Answer:
all above
Explanation:
btw those vitamin c gummies are bomb
The characteristics of vitamins and minerals are they help your immune system fight disease and they help the body get energy.
What are the functions of vitamins and minerals?Vitamins and minerals help us fight infections, heal wounds, build strong bones, and regulate hormones, among other bodily functions. Nutrients and minerals can cause harmfulness whenever consumed in enormous sums.
Vitamins and minerals are essential for healthy growth and development in children. A variety of foods from each of the five food groups can provide vitamins and minerals to children.
In contrast to other dietary components known as macronutrients (such as fats, carbohydrates, and proteins), which are the compounds utilized in the reactions regulated by the vitamins, the vitamins regulate reactions that occur in metabolism.
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1. All energy originates from the _____.
2. Energy cannot be lost or gained, as described by the law of conservation of _____.
3. Glucose is potential energy stored as _____.
4. When potential energy moves across a cell membrane, it becomes _____.
5. Plants store chemical potential energy as _____.
6. Stored chemical energy is released in the _____.
Answer:
the sun
energy
sugar
chloroplast
Which of the following is a substance?
A) smoke
B) salt
C) granite
D) brass
Answer:
B) salt
Explanation:
It is considered a substance because it has a uniform and definite composition. Salt easily dissolves in water, but salt water cannot be classified as a substance because its composition can vary.
Hope this helped!!!
Could someone do this for me since I have a lot of work for other classes
Answer:
Asteroid-small,rocky objects that orbit the sun
Axis-a real or imaginary line that something rotates on
Comet-cosmic balls of frozen gasses,rocks,and dust that orbit the sun
Diameter-a straight line that runs from one side of a figure and passes through the middle
Gravity-an invisible force that pulls objects towards each other
Kuiper Belt-an icy ring of frozen objects just outside of the planet Neptune’s orbit
Latitude-the measurement of distance north or south of the equator
Orbit-a regularly repeated path that one object in space takes around another
Revolution-the action of a celestial body going around in an orbit;the time taken by a celestial body to make a complete orbit;the rotation of a celestial body on its axis
Rotate-the process/act of turning or circling around something
Rotation-the action/process of rotating on/as if on an axis or center
System-a group of related things that work together as a whole
Theory-a plausible or scientifically acceptable principle/body of principles offered to explain something
When spiders die, does it affect their growth?
Answer:It is well known that age influences organism mobility. This was demonstrated in vertebrates (such as mammals and birds) but has been less studied in invertebrates with the exception of Drosophila and the nematode Caenorhabditis elegans. Here we studied the influence of age on the mobility of the orb-weaving spider Zygiella x-notata during web construction. The orb-web is a good model because it has a characteristic geometrical structure and video tracking can be used to easily follow the spider’s movements during web building. We investigated the influence of age (specifically chronological age, life span, and time till death) on different parameters of spider mobility during the construction of the capture spiral (distance traveled, duration of construction, spider velocity, spider movement, and spider inactivity) with a generalized linear model (GLM) procedure adjusted for the spider mass. The results showed that neither chronological age, nor life span affected the mobility parameters. However, when the time till death decreased, there was a decrease in the distance traveled, the duration of the construction of the capture spiral, and the spider movement. The spider velocity and the time of inactivity were not affected. These results could be correlated with a decrease in the length of the silky thread deposited for the construction of the capture spiral. Spiders with a shorter time till death built smaller web using less silk. Thus, our study suggests strongly that time till death affects spider mobility during web construction but not the chronological age and thus may be a good indicator of senescence.
Explanation:
what evidence have you discovered to explain how organs are organized in the body? Pls, I need this right now answer!!!
Which step to preparing a pomegranate is shown in the photograph?
a.Cut off the crown and the opposite end of the pomegranate.
c.Use a colander to drain and slightly rinse the seeds.
b.Using a sharp knife, score the skin lengthwise.
d.Using your fingers, and keeping the pomegranate submerged, divide the seeds from the rind and from the skin.
Answer:
Option d :Using your fingers, and keeping the pomegranate submerged, divide the seeds from the rind and from the skin
Which best explains why water may be treated differently in different communities?
o A. Some communities avoid using groundwater.
O B. Groundwater requires more expensive treatments.
O C. Environmental factors vary between communities.
Info: I ALMOST HAVE 200 QUESTIONS ANSWERED!
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Which of the following statements is true?
Options:
A. Gene flow evens out genetic differences between populations.
B. Genetic drift increases the genetic differences between populations.
C. Natural selection, mutation, and genetic drift are random events.
D. The bottleneck effect increases the genetic diversity of a population.
Answer:
Natural selection, mutation, and genetic drift are random events.
Explanation:
A mechanism of evolution in which the frequencies of alleles of a population change with generations because of sampling error is known as genetic drift. It takes place in all the populations of non-infinite size, however, its influences are strongest in small populations.
Hope this helps :)
Which ocean zone is the closest to the ocean's surface?
A- benthic zone
B- disphotic zone
C- aphotic zone
D- photic zone
Answer:
B
Explanation:
Answer:
answer is c aphotic zone
Explanation:
I hope it will help you
The best answer gets brainliest
Please help me answer these two questions
Why do you think certain cell types look the way they do? What do you think the relationship is between a cell’s structure and its function?
Please no links, thank you
Answer:
i think they look like that so the prisoners are see able and cant do any thing to escape.because the guards are walking by twenty four seven
Explanation:
During a chemical reaction, 25g of a solid is reacted with 15g of a liquid. The reaction bubbles and produces a lot of gas. After the reaction is over a scientist weighs the solution and finds that it has a mass of 35g. What is the mass of the gas that was produced?
A. 0g
B. 5g
C. 20g
D. 40g
Answer:
20
Explanation:
i think
Summarize your findings in a brief essay. Your essay should include two parts Science class project weather forecasting
Why does the moon appear to change its shape as seen from earth?
