Answer:
the vaccine causes the immune system to produce antibodies to the virus that causes the measles
Because the environment is faster then the squrrel has to find stuff for the nest and a safe spot
I believe that the answer is A, if I am not mistaken!
Explanation:
The atmosphere is the gaseous envelope round the earth.
The biosphere is the part of the earth dominated and occupied by living organisms.
As with other spheres of the earth, the biosphere and atmosphere are constantly interacting too.
- Organisms breathe in air to their respiration processes.
- Weather elements are conditioned by the atmosphere.
- Decomposition of organisms release gases back into the atmosphere.
learn more:
Biogeochemical cycle brainly.com/question/4217448
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