I think that this is something you should, as the assignment states, "conduct independent research". meaning, this is something you have to do AT LEAST 90% yourself. my suggestion: start by googling 'yellowstone eruption' and go from there. I just don't want you to be in trouble with your teacher because you plagarizing.
Answer:
through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium.
Explanation:
We need energy to power lights, stoves, cars, washing machines, vacuums, showers, refrigerators, microwaves, toilets, sinks, production machines in factories, lawnmower, sprinkler system, tv.....
The answer is: [A]: "A process that cleans pollution from a local pond" .
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Answer: c. iris – controls the pupil
Explanation:
The iris, a structure which is primarily made up of smooth muscles. These smooth muscles surrounds the pupil. The light enters the eye through pupil which is a black hole present in the middle of the eye. It allows the light to strike the retina. It controls the size of the pupil this way it helps in regulating the amount of light entering the eye. The pupil becomes wider in the darkness and becomes narrower when the light intensity is more. These actions are controlled by iris.