Answer:
temperature and precipitation
A closed system is a system that makes no physical or chemical exchanges with its environment. Of these systems provided as choices (tree, human, clock, car), only a clock does not make exchanges with the environment, except for energy.
Therefore, of that list, only a clock would be a closed system.
Hope that helped! =)
Answer:
she should arrange them away from lab materials. She could put them to the side or under the table
Explanation:
Diffusion, facilitated diffusion, osmosis
Photosynthesis<span> makes the glucose that </span>cellular respiration<span> uses to make ATP</span>
