Answer: C
Explanation:
Hot air is a lot less dense for a few reasons. Hot air essentially means the particles have more kinetic energy, and move around a lot more. Cold air is dense because the particles move a lot less, have less energy, and are closer together.
Answer:
8.849 kilometres
Explanation:
this is the height in kilometers
Answer:
a little bit is stored inside the seed itself
I believe that the chemical formula for an acid often begins with H, which means C is your answer.