Answer: D
Explanation: We need to know how much the car weighs in order to determine how much more they need to push.
... a molecule of "water" in a process called "dehydration synthesis."
Answer:
gene
Explanation:
The basic unit of heredity that occupies a specific location on a chromosome is a gene.
Answer:
Air temperature
Explanation:
These variations in air pressure are due to temperature differences caused by variations in solar energy received at the surface of the earth