Answer:
Because the body fights the virus and when it comes back, it now identifys the virus and kills it, But we use anti bodies and etc. to fight the virus, thats why you are weak during the time. It may take some time to defeat the virus.
therefore makes it the answer
Explanation:
Mice that are injected with the living R strain survive.
Answer: A) sporopollenins
Explanation: Sporopollenin is one of the most chemically inert biological polymers. They contain mainly long chain fatty acids, phenylpropanoids, phenolics and traces of carotenoids. They make up the outer wall of pollen grains, spores and many microorganisms.
C would be the correct answer because The glacial budget refers to the balance between the amount of inputs versus outputs affecting the glacial system. So the glacier loses mass as evaporation will increase due to warmer temperatures and there will be melting at the snout. This part of a glacier is known as the zone of ablation.