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abruzzese [7]
3 years ago
14

What are the functions of each layer of the atmosphere?

Biology
1 answer:
Ede4ka [16]3 years ago
6 0
The atmosphere surrounds Earth and protects us by blocking out dangerous rays from the sun. The atmosphere is a mixture of gases that becomes thinner until it gradually reaches
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Please help, This is a science sheet for get my grade up.
finlep [7]

Answer:

Well The answer you choose was wrong I think because every living being that has cells need a Nulceus in their cells or the cells won’t work. Fungi have cells and Protista also have a nucleus since it has a cell or cells.

The answer here I would think would be (c) ”many could be found in fresh water”. Fungi don’t usually appear near seas or fresh sources which in this case is a pond and protistia do.

5 0
3 years ago
How many sets of primers are needed for dna profiling?
Marta_Voda [28]
Primers are small snippets of DNA homologous to different regions in a target gene. For any targeted DNA gene at least two primers are necessary to delimitate a DNA variable segment targeted to be amplified.
5 0
2 years ago
A girl travels 20 miles on her bicycle the trip takes 2 hours express her speed in miles/hr
stepan [7]

Answer:

The girl traveled 10 miles per hour

Explanation:

If the girl traveled 20 miles in 2 hours then she would have traveled 10 miles in one hour. you divide the amount of distance by the time

6 0
3 years ago
The Lub in “lub dub” is caused by the closing of the _______________ and _______________ valves.
damaskus [11]

Answer:

mitral and tricupsid

Explanation:

5 0
3 years ago
A function which gives the slope of a curve; that is
iren [92.7K]

Answer:

Tangent

Explanation:

  • The slope of a curve at a point is equal to the slope of the straight line that is tangent to the curve at that point.
  • The slope of a curve y = f(x) at the point A means the slope of the tangent at the point A.
  • Tangent of a curve tells us the rate of change at a particular instant.
  • We write y = f(x) on the curve since y is a function of x. That is, as x changes, y also changes.
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3 years ago
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