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Akimi4 [234]
3 years ago
14

What is the meaning of the meteorite? HELP PLEASE

Biology
2 answers:
Nikitich [7]3 years ago
8 0

Answer:a meteor that survives its passage through the earth's atmosphere such that part of it strikes the ground. More than 90 percent of meteorites are of rock, while the remainder consist wholly or partly of iron and nickel.

Explanation: i hopefully this helps answer your question and also please give the brainlyest answer because i need it to rank up

Anika [276]3 years ago
7 0

A meteor that survives its passage through the earth's atmosphere such that part of it strikes the ground.

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The gamete produced in the ovary of an animal is the what?
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3 years ago
If a crystal of potassium permanganate is placed on agar and after 15 minutes the diameter of the area over which the dye has sp
Vadim26 [7]

Answer:

Diffusion rate is 1.96 × 10^{-3} cm^{2}/s

Explanation:

Diffusion is the process in which the molecules of a substance propagates from a region of higher concentration to region of lower concentration through a semi-permeable membrane.

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Given that; diameter = 15 mm, time = 15 minutes.

The dye spread in a circular form, so that;

area = \pir^{2}

r = \frac{diameter}{2} = \frac{15}{2} = 7.5 mm = 0.75 cm

area = \frac{22}{7} × (0.75)^{2} = 1.7679 cm^{2}

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So that;

diffusion rate = \frac{1.7679}{900}

                      = 0.0019643 cm^{2}/s

Diffusion rate is 1.96 × 10^{-3} cm^{2}/s

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