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.
Some of the technology that aided imperialism are machine guns, riverboats, and telegraphs.
Hope this helps.
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Answer:
- To provide support against outside threats
- To provide protection in case of attack
-To discourage other countries from attacking
The main reason why history is open to ongoing and changing interpretations is because new facts are always being discovered about the past, which allows people to change their opinions regarding how things happened throughout history.
Answer:
r u a boy or a girl
Explanation:
If you are a girl, then yes.
If you are a guy, sorry no homo