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yan [13]
2 years ago
6

Which cell is involved in the immune system​

Biology
1 answer:
bixtya [17]2 years ago
4 0

Answer: white blood cells

Explanation: They fight off the bad bacteria.

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answer:

: D.finding fossils in the same area that are in layers closer to the surface.

Relative dating refers to the age estimation method in which past events are determined, to compare the age of object, organism, strata or rock with the age of other similar entity. This method gives an approximate or estimated age, it does not provide absolute age.  

The older fossils are found in deeper layers of the strata as compared to younger fossils. This represents the geological time and life span of primitive or preexisting organisms. Therefore, according to the given situation, finding fossils in the same area that are in layers closer to the surface is the best conclusion

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3 years ago
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Scale Piots.
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Answer:

The independent variables is Texting speed in words.

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Independent variable is a variable that can stand on it own and does not depend on other variable to change.

Minutes is independent variable, it can stand in it's own.

Dependent variable is a variable that depend on another variable. Texting speed is dependent variable because it's depend on time to change or stand.

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Answer: The Answers are, A: happens all the time, D: can be caused by genetic drift, and E: can be caused by natural selection.

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A scientist tries to mate the two similar-looking fruit flies Drosophila melanogaster and Drosophila simulans. But he finds that
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The answer is B, Post zygotic

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Which step is one of the universal steps for operating an AED?
PtichkaEL [24]

Answer:

C.

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Not all victims are in water

Not all victims have hairy chest

Pads ALWAYS NEED to be placed on bare skin

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