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hjlf
2 years ago
13

Plz help! I will mark Brianliest!

Biology
2 answers:
olga nikolaevna [1]2 years ago
4 0
They’ve helped end/calm down pandemics and epidemics and allowed us to go out and start living our life again.

You don’t have to use this word for word just an idea
Vesnalui [34]2 years ago
4 0

Answer:

The "Savior" role

Explanation:

As u can see in past pandemics and epidemics vaccines were made to kill and eliminate pandemics and epidemics and or give ppl that take the vaccine  immunity to catching the pandemic or epidemic.Vaccines have honestly saved a lot of lives since 1796

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Why does catalase function most efficiently at the pH level of 7
Shkiper50 [21]

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3 0
2 years ago
How many atoms of each element are in the chemical form CA(OH)2
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Answer:

3 atoms..5 in each molecule

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i think...

7 0
3 years ago
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When natural sources of ionizing radiation become increased because of accidental or deliberate human actions such as mining, th
MatroZZZ [7]

The question is incomplete as it does not have the options which are:

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Answer:

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When these ionizing radiation emitting natural substances increases in the environment due to human activities like the particle accelerators, X-rays and other methods which produces these substances then these substances are refereed to as the enhanced natural substances.

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6 0
3 years ago
All organisms require nitrogen to make amino acids, which in turn are used to build what?
Stolb23 [73]
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