Answer: a variable is something to be changed or tested
Explanation:
The variable is the thing in an experiment that is changed
The answer is D. Scientists used evidence, analysis,and experiments to disprove alchemy
Explanation:
1. ---> Pituitary gland
2. ---> Master gland
3. ---> Female child
4. ---> Adrenaline
5. ---> Thyroxine
6. ---> Male Child
7. ---> Insulin
8. ---> Male hormone
9. ---> Stoppage of menstruation
10. --> Voice box
The scientists' conclusions are most likely unreliable because <u>he asked the wrong set of people for his survey.</u> By definition, environmentalists are those people who are inclined to believing that humans are entirely responsible for creating biological foot prints all over the Earth. They always advocate the protection of the environment and even persuade people to follow suit. It is natural for them to react in such a manner that they find dams as something harmful because to them, dams destroy the natural cycle of Mother Earth.
