Answer:
It is similar because the nuclear envelope is a membrane similar to the cell membrane around the whole cell. There are pores and spaces for RNA and proteins to pass through while the nuclear envelope keeps all of the chromatin and nucleolus inside. When the cell is in a resting state there is something called chromatin in the nucleus.
Explanation:
The answer is B. Grassland
A. a magnetosphere is a magnetic field around earth.
Crude oil is usually found below natural gas reservoirs, so the answer is C. Keep in mind, however, that this is not always the case, and that crude oil can be found above gas as well.
