Which of the following is TRUE about most gases?

A. They have a fixed volume.
B. They expand to completely fill their container.
C. They cannot be compressed.
D. All of their particles are the same size
E. Their particles are very close together.

B.

Explanation:

B.They expand to completely fill their container.

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?