A. <span>Exposure to an antigen
Exposure to viruses and antigens led to the foundation of modern vaccination. Vaccination introduces an antigenic material that helps the ability of the immune system to adapt a specific pathogen, therefore leading to a long-term immunity.</span>
Answer:
it dosent stop
Explanation:
yes which best describes what happens to stop during photosynthesiswhich best describes what happens to stop during photosynthesiswhich best describes what happens to stop during photosynthesiswhich best describes what happens to stop during photosynthesiswhich best describes what happens to stop during photosynthesiswhich best describes what happens to stop during photosynthesiswhich best describes what happens to stop during photosynthesiswhich best describes what happens to stop during photosynthesis
2 is the answer I THINK look at other ones first
Alright bud the best answer to this question would be that one of the first scientists of the Renaissance to advance taxonomy through first hand observations was Cordus
The third and last option is correct.
Species in the past (referring to dinosaurs) were more massive.
levels where higher in the past, which meant that plants prospered during that time since they had a easy access to food. That contributes to the fact that herbivores could grow bigger because there was more food. Which in turn, increases the size of early carnivores which eat bigger herbivores.
Hope it helped,
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