Answer: C. Grow the tree in a pot and measure the mass of the soil before and after the tree grows to a certain height
Explanation: When testing an hypothesis, which is a prediction of the outcome of an experiment, it is vital to keep all other factors, that can affect the outcome of the experiment, constant; so that any outcome can be attributed (or disregarded) to the variable being tested.
In this case, the variable being tested is the soil, and so all other factors such as water, air, sunlight, etc. should be kept constant.
2 is the answer to your question.
Answer:
Explanation:
Because most of the time within history they say it's because those states have more electoral votes.
<span>those of royal birth have absolute authority to rule. the people as a whole are the sole source of political power. the head of a family, clan, or tribe has the natural right to govern.</span>
