Answer:
Global warming occurs when carbon dioxide (CO2) and other air pollutants collect in the atmosphere and absorb sunlight and solar radiation.
Explanation: do you want one?
Answer:
A. Vaccines
Explanation:
These are meant to prepare the body for the possibility of infection by building up immunity.
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Active transport. this is the only transfer of material that is again the concentration gradient, unlike diffusion or osmosis
Answer:
Growing threats to animals that are believed to be critical to the success of natural remedies are human intervention and climate change. Human intervention can greatly affect the ecosystem because of its mundane activities. Climate change on the other hand can also hamper the growth of these animals such as a change in temperature.