Answer:
B
Explanation:
Mass is constant. Weight varies due to gravity.
For example, On earth you weigh 75kg but on Jupiter you weigh 275kg (not accurate). Your weight has varied. However your mass is the same on both planets.
Answer:
UAACUG
Explanation:
rna contains Uracil instead of Thymine.
I believe that the right answer is Heat energy
Answer:
dark blue: denser oceanic crust is subducting...
Explanation: