When the air inside a hot air balloon is heated, it expands and takes up a larger volume. as a result, it floats higher into the sky. what else happens to the air inside the balloon as it is heated?
a density decreases.
b density increases.
c mass decreases.
d mass increases.

Explain light independent reactions

Which of the following is a difference between active transport and facilitated diffusion? view available hint(s)which of the following is a difference between active transport and facilitated diffusion? facilitated diffusion can move solutes against a concentration gradient, and active transport cannot.active transport involves transport proteins, and facilitated diffusion does not.facilitated diffusion involves transport proteins, and active transport does not.active transport requires the expenditure of cellular energy, and facilitated diffusion does not.

The pressurized plants and fungi mentioned in the video have some surprising similarities. what differences would you expect them to have?