Earth is a planet, Zero planets on earth
Answer:
Biodiversity is the basis of agriculture and our food systems. ... Agricultural biodiversity also performs ecosystem services such as soil and water conservation, maintenance of soil fertility, conservation of biota and pollination of plants, all of which are essential for food production and for human survival.
Explanation:
Hope this helps and have a great day!!!
Answer: Tidaling
Explanation:
It is rise and fall of water in water-seal chamber, used to determine the degree of re expansion of the lungs. It reduction shows the lungs reexpands.
However, with respiratory efforts it is normal.
Because a theory is based on what the person doing the experiment think is going to happen so it's a prediction
D.) all the above i think i’m not sure so im sorry if not but hope i helped