Answer:
Either A or C but A is a bit more true
Explanation:
You can measure one on option C but you can measure both
on answer A. Hope this helps you out.
The appearance of living systems on Earth from non-living molecules is called <span>chemical evolution.</span>
More oxygen becomes available in the water helping the marine or freshwater creatures live. <span />
Answer:
B
Explanation:
unusually weak magnetic fields on the sun paired with reduced solar activity cause sunspots to disappear.
