Answer:
Immunity to Small Pox
Explanation:
Over the years, Europeans had built up an immunity to smallpox because many had contracted the disease and still survived. As the population grew children were born with some immunity to the disease. When the Europeans arrived in the Americas, and smallpox spread around the native peoples, the Europeans did not contract the disease because they were immune. However, since the natives were not immune, they slowly died of due just to the disease as well as some parts of the war between the europeans.
B. speed up the reuptake of dopamine and norepinephrine
Answer: 1
Explanation: photosynthetic plants possess a double membrane organelle called chloroplast.this chloroplast contains chlorophyll chlorophyll are the reason plants
are green,they are green pigments which absorbs wavelengths of sunlight that is used in the production of glucose and other products through photosynthesis.this glucose is converted to starch ,which is the form it is stored
Answer:
Because plants decrease the amount of CO2 in the air. By decreasing the plant population you decrease the amount of CO2 that can be removed.