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:
They have only been provided and taught certain things, and only ever seen one point of view.
Explanation:
Since birth, their minds have adapted to everything their parents, teachers, friends, etc., have said and thought, so they've only got to see the answers one way. I don't know if this makes sense but hopefully it does?
An incumbent is a current officeholder, running for re-election.
HOPE THIS works
Explanation:
Teotihuacan
The Teotihuacan Period: 200-900 CE – During this era the great city of Teotihuacan grew from a small village to a metropolis of enormous size and influence. Early on, Teotihuacan was a rival of another city called Cuicuilco but, when that community was destroyed by a volcano c.
People got mad, but happy at the same time