In order for pepsin to be active and efficient, what must be true? The solution (liquid) must be acidic around 2 pH.

The temperature must be over 98 deg F.

The solution (liquid) must be basic around 11 pH.

The temperature must be under 98 def F.

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

Pls quickly! which of the following is true about the behavior of an organism? a. the behavior of an organism is influenced by both its heredity and it’s environment. b. the behavior of an organism is influenced only by the treats it inherits from its parents. c. the behavior of an organism is influenced only by the environment in which it lives in. d. the behavior of an organism is not influenced by either it’s heredity or its environment.

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation