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.
Answer:
Explanation:
He set aside 230 million acres of land
The correct answer is letter A and D.
Explanation: The Great Immigration occurred mainly from the South to the North, which is the most developed in the region. The process was strained as a result of growing social as well as economic inequalities, which increasingly generates labor shortages and sufficient resources for all.
They move because of the poor economic conditions, and the racial segregation in states that has the Jim Crow laws working, in the Southern states.
The Townshend Acts were repealed by Britain's Parliament by the efforts of Prime Minister Frederick North, with the exception of the increased duties on imported tea. The American colonists, in turn, stopped their embargo on British imports.
Answer:
I think it is Egypt
Explanation:
i may not be so sure but i suggest Egypt
