Answer/Explanation:
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
Source:
https://www2.estrellamountain.edu/faculty/farabee/biobk/biobooktransp.html#:~:text=Water%2C%20carbon%20dioxide%2C%20and%20oxygen,to%20cross%20the%20cell%20membrane.
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Answer:
Energy is directly responsible for matter moving and changing inside a bears body.
Constellation is a form a pattern that resembles an animal, mythological character, or object
Answer: B The leaves are dark green
C The leaves are needle-like
D The leaves are attached to the stem
Explanation:
