Well... my question that i put up a minute ago was deleted. ya know i was only trying to be nice.

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.

When plants use sunlight to make food, the energy of sunlight is

How do living things obtain phosphorus