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.
Answer:
The toaster is causing a chemical change by burning.
Explanation:
quizziz
Answer:
In the bonds between atoms
Explanation:
Chemical energy is stored in the bonds that connect atoms with other atoms and molecules with other molecules. Because chemical energy is stored, it is a form of potential energy. When a chemical reaction takes place, the stored chemical energy is released.
Yes indeed that the picture shows that the transport of the sodium and potassium ions. The picture shows a passive transport of sodium and potassium ions. And also we can see that the energy for the action of the pump is being released by the utilization of the ATP. Some are being moved and some are being brought back in.
