Answer:
Only an experiment can prove whether the proposed hypothesis is true or not true.
Hypothesis can be described as a tentative statement which can either be supported by the results from the experiments or can be rejected by the results of the experiments. When repeated experiments give the same results again and again, the hypothesis might take the shape of a law.
Answer:
preganglionic; acetylcholine (ACh)
Explanation:
The secondary consumers would be overpopulated with no one to consume them. Then the primary consumers will decrease.
Bacteria is not included as an abiotic factor in an ecosystem.
Answer:
2 NaCl + CaCO3 = these are the reactants
Explanation:
In much of the world, calcium chloride is derived from limestone as a by-product of the Solvay process, which follows the net reaction below: 2 NaCl + CaCO3 → Na2CO3 + CaCl.