Answer:
if I remember correctly it was a and c
Explanation:
i going by what my sister did yesterday I think she got it right
What are high level factors that you would need to measure to inspect improvement in a functioning ecosystem? are drastic climate changes more crucial to an ecosystem than a change in magnitude?
a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
The Precambrian time refers to the time 4.5 billion to 542 millions year ago. This period is characterized by having reduced atmosphere and included reduced compounds. Scientists believed that atmosphere at that time was devoid of free oxygen and CO2 was present in excess. Before the complex life evolved on the Earth, the Precambrian Earth's ocean contained dissolved carbon dioxide.
The human body strives to maintain homeostasis, the state of balance between internal and external change.
