2. a) name one way the light reactions and dark reactions are similar and one way they are different.

Answer is as follows

Explanation:

1. They are similar as energy is the main source in these both reactions.

1. In light reactions energy is taken from sunlight while in dark reactions the created energy in light reactions is used.

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation:

its temperature is increasing. this causes molecular vibrations to increase.