1. D.
2. C Saliva and enzymes from the pancreas help break down food.
3. C ---- I think it's hydrochloric acid, HCl. HCl is very low in pH (acidic) to digest foods
Answer:
30 kilograms
Explanation:
A change in gravity does not affect mass.
The correct option is A.
In the question given above, we are told that the number of trees in the ecosystem is 1,000,000; this figure far outnumber that of all the other organisms in the ecosystem. The plants are the producers in any ecosystem and they serve as sources of food for all other organisms in an ecosystem. Based on the number of trees present in this ecosystem, the pyramid of number and the pyramid of biomass will be upright, this is bcause the number of producers far outnumber the number of the consumers. A pyramid of number or a pyramid of biomass is said to be inverted if the number of producers is less than that of the consumers.
They don't have the same properties of a star fish
