Answer:
Because the repetition of the experiment yields different results when they are realized by distinct groups of students
.
Explanation:
The students needs to repeat the experiment and increase the value of n (sample size) in order to obtain statistically significant results and thus confirm the working hypothesis.
A theory is a set of sentences which is closed to make logical implications.
Answer:
Nerve cells
Explanation:
Part of the nervous system which is capable of communicating messages to others cells via electrical signals
I think C. It helps break down foods into nutrients.
Answer:
Hilly towards flat.
Higher elevation toward lower elevation.
Clayey to sandy type of soil.
Explanation:
The land of Charlotte NC is hilly whereas coastal plains of North Carolina is flat. Charlotte NC is located at a high elevation while on the other hand, the coastal plains of North Carolina are located at the sea and at lower height. The soil type of Charlotte NC is clay and silt whereas the soil type of coastal plains of North Carolina is sandy due to the presence of sea.