Brainliest asap! the diagram below shows four processes, a, b, c, and d, by which carbon circulates between the atmosphere, plants, and animals. which process represents eating? process a process b process c process d

When water freezes, it . contracts expands

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.

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels