As any type of wave travels through a medium, what is true about the particles in the medium? 1)The particles of the medium are not carried along with the wave.

2)The particles of the medium move back and forth and are carried with the wave.

3)The particles of the medium move in a straight line and are carried with the wave.

4)The particles of the medium move up and down and are carried with the wave.

the dark variety, as they are not visible on the dark tree barks

explanation:

a. seed plant structure. 1. the three main plant organs are roots, stems, and leaves. a fourth kind of tissue, meristematic tissue, is responsible for plant growth. meristematic tissue is the only plant tissue that produces new cells by mitosis. plants can lose water out of their leaves as they exchange gases with the air

explanation:

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%