Answer:
A
Explanation:
insulin is released from pancreas when blood sugar level rises
Answer:
Before life began on the planet, Earth's atmosphere was largely made up of nitrogen and carbon dioxide gases. After photosynthesizing organisms multiplied on Earth's surface and in the oceans, much of the carbon dioxide was replaced with oxygen.
Explanation:
please mark me as brinalist
The pyramid is not shaped like a typical pyramid, because the bottom should be bigger and getting smaller on top.
If there's options, I assume mutation?
It is the first option. Atmospheric nitrogen is very stable so there fore hard to react with. But bacteria contain molecules that can break the bond of nitrogen.
