Answer:
the answer might be A as eco means environment
Answer:
L = 17 m, W = 12 m
Explanation:
W = (L - 5) m
P = 2(L + W) = 58 m
Substitute W = L - 5 from the first equation into the second equation and get L:
2[L + (L - 5)] = 58
2(2L - 5) = 58
2L - 5 = 58/2 = 29
L = (29 + 5)/2 = 17
Then W = L - 5 = 17 - 5 = 12
Answer:
what I didnt understand the question
Explanation:
Answer:
the secondary response of the adaptive immunity is faster and more efficient than the primary response
Explanation:
A vaccine works because antigens, molecules that are specific to certain pathogens, are introduced to the body producing antibodies when the immune system recognizes them as external bodies, <em>this generates memory in the immune cells so the second time the body encounters this pathogen again, it will recognize the antigens and generate a faster immune response</em>.
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Conducting a fair test is one of the most important ingredients of doing good, scientifically valuable experiments. To insure that your experiment is a fair test, you must change only one factor at a time while keeping all other conditions the same. Scientists call the changing factors in an experiment variables.
