<span>ctabolism is the process in which complex molecules are broken down into simple ones.</span>
The answer is D. in animal cells, the cell membrane allows materials in and out of the cell, while the mitochondria uses nutrients to make energy (ATP) for the cell.
It is a semiconductor. A semiconductor can allow a bit of energy to flow through. It is also a metalloid. Hope this helps! :)
B. It describes the day-to -day condition of the atmosphere of Earth.