Answer:
a. iris
Explanation:
iris is actually the structure of the eye that regulates the amount of light passing to the visual receptors of the eye
Answer:
The answer is a. they are much like empty rooms.
Explanation:
Cells are pretty much the opposite of empty rooms. There are many organelles and processes happening in them, so there's no space for empty rooms. Even when there are spaces, which anyway would be full of liquid, these spaces have a purpose.
When an object is in motion, it possesses kinetic energy.
Option b is the only correct answer
<h3>What is kinetic energy?</h3>
Kinetic energy is the energy a body has or possess due to its relative motion.
Some few examples of kinetic energy are as follows:
- Running
- Walking
- Cycling
- Car movement
- Aeroplane flying
Learn more about kinetic energy:
brainly.com/question/8101588
