Answer:
A
Explanation:
Today, the atmosphere holds about 21 per cent oxygen. ... When the first simple organisms appeared in the oceans more than 3.5 billion years ago, the atmosphere was mostly nitrogen, hydrogen, water vapor, and carbon dioxide
Answer:
Steps are down below
Explanation
1. A small grain of pollen goes onto the stigma
2. Insects go into flowers and brush against the anther and is coated with pollen.
3. Pollen may fall onto the stigma of the next flower
4. Pollen falls onto the stigma of next flower
5. A small seed forms in the ovary of that plant
That would be a hypothesis
Hope this helps you :)))
Both population health and public health can include very narrow or very large groups of individuals – some public health initiatives encompass entire countries or regions of the world – and both increasingly rely on digital data assets to identify patterns and aid workers as they address critical wellness needs.
