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.
d. Segregation in the South was determined to be legal
Individuals in a particular ethnic group typically all belong in a different religion group C is answer
Answer:
Push factors: Segregation, low wages, barriers to voting, poverty
Pull factors: High wages, a variety of jobs, the chance to go to school/college
Explanation:
Push factors make people leave. Pull factors attract people in.
Answer:
The government gets most of its spending money via tax revenue, including $1.53 trillion via individual income taxes. Corporate income taxes, customs duties and excise taxes are other big sources of cash for the government, as are Social Security and Medicare taxes and borrowing.
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