Depending on what you've been learning in bio so far, the glucose is used in a process called glycolysis, which basically turns the glucose into ATP (Energy) which the cell can use.
Yes, because even though other trees produce more oxygen, the small trees will still produce some oxygen. On top of this there are more small trees than big trees, so even though they make less oxygen, in whole they end up making more when added together!
The smoke increases effectively increasing the planetary albedo, forcing is less however and tends to be insensitive to the solar geometry
Cells are the basic structural, functional, and biological unit of all known living organisms. Cells of various types have different functions but the generalized cell functions include movement of substances across the cell membrane, cell division to make new cells, and protein synthesis. So, the answer is D, cell can conduct many tasks, including duplicate themselves, convert energy and selectively exchange materials.
The scales or outer layer of an artichoke are called bracts
