There's no reason, it's just because the sun has a gravitational pull
Answer:
A compound is a pure substance because its molecule cannot be broken down into simpler particles by physical means. A compound is not a pure substance because it is not an element, and only elements are pure substances.
True I believe because plants require gases which they take from the air.
Answer:
B
Explanation:
the number of protons never changes even if the atomic mass changes
Answer:
or ghettoise, verb. (transitive) to confine or restrict to a particular area, activity, or category.
