Answer:
The options are
A. a hypothesis
B. a theory
C. a research question
D. a scientific explanation
The answer is A. a hypothesis
Explanation:
A hypothesis is referred to as a brief explanation on the occurrence of an event.
In the example above using of warm water on plants was inferred to make it grow faster as hot water increases the metabolism.
Answer: option B. The number of the outer most energy level for elements in that period
Explanation:
<span>a. a chemical combination of two or more different materials.
For example: </span>For example, air is a mixture of gases, containing N, O, Ar, CO2
A.) desertification is when you remove all the trees and most of the plant life in an ares
Answer:
C. Magnetization of iron
Explanation:
This is a chemical change and cannot be undone by physical means therefore it isn't a physical change
