The iris controls the amount of light entering the eye.
Answer:
sea anenome
Explanation:
It is sea anenomes because they provide shelter for sea creatures and they vary between hard and spft bodies
The correct answer is 1 second.
A period is a physical term which describes the time needed for one cycle of vibration to complete and reach a certain point. In this example, the term period refers to the time needed for one complete heartbeat to occur. Since 60 heartbeats occur in 60 seconds, then one heartbeat needs 1 second to complete.
The color spectrum from a rainbow.
The Electromagnetic spectrum from waves.
Answer:
Adenine pairs with Thymine, and Cytosine pairs with Guanine
