Answer:
Masks are a simple barrier to help prevent your respiratory droplets from reaching others. Studies show that masks reduce the spray of droplets when worn over the nose and mouth.
Explanation:
Cells don't grow very big because they have to be able to diffuse through material easily. Also, when cells are small and plentiful they are easy to replace when damaged.
Answer:
i think it's B
couse from my knowledge is that <em><u>respiration</u></em><em><u> </u></em>is the intake of carbon dioxide and form it into oxygen
Only the energy used for growth (33 J) is available to the next trophic level, because it is used to produce more biomass which can be consumed by the next trophic level.