The atomic mass is roughly equal to the sum of protons and neutrons of an atom.
9 protons + 10 neutrons = 19
Atomic mass of Flourine is 19.
When an object has its motion
changed, the cause is generally an external force. The answer is letter A. It
follows Newton’s second law of motion wherein a body is at rest and remains at
rest without an external force applied to move the body.
In general, producer populations tend to thrive in areas with lots of water and light, so the answer would be <span>"B: Areas with abundant water and sunlight."</span> This of course isn't always the case, however.
