Need more information to answer the question.
Answer:
The null hypothesis is a general statement that states that there
is no relationship between two phenomenons under
consideration or that there is no association between two groups.
A hypothesis, in general, is an assumption that is yet to be proved
with sufficient pieces of evidence.
Answer:
specular reflection
Explanation:
Light reflecting off a smooth surface, where all of the light is reflected in the same direction, is called specular reflection.
Answer:
The roots of the vegetation will loosen the soil
Explanation:
The roots of a plant grip on to the soil, holding it in place. If the roots are removed, the thing holding the soil together, then the soil will loosen and be easier to carry away by, wind, water, ice, or other factors.
