If enough ejecta (mainly ash) is sent into the upper atmosphere, the dust particles will block solar energy causing a decrease in temperature. This has happened in the past. Look for the year without summer caused by a volcanic eruption.
Answer: Lungs
Explanation: The pleura encloses each lung by a double layered serous membrane
Answer:
Reproduce, have Genetic Material (Nucleic Acids) and Adapt
The answer is because they are not necessary for the plant to reproduce