Answer:cell membrane
Explanation:
it has a cell wall which is a cell membrane, but not a nucleous
Answer:
Advantages of written communication: Easy to preserve: The documents of written communication are easy to preserve. Oral and non-verbal communication cannot be preserved. If it is needed, important information can be collected from the preserved documents.
The gas responsible for the raising temperature during last decades is greenhouse gases, which is majoritarly composed by carbon dioxide. Its production increases during last years because of the increasing number of industries and polluting cars, despite the increasing taxes on them.
Greenhouse gas can absorb more energy (more heat) than normal gases like oxygen and azote, that is why the increase of CO2 increases the global temperature, and that's why it's called "greenhouse" gas.