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nika2105 [10]
3 years ago
12

How do ecologists measure population density?

Biology
2 answers:
Anni [7]3 years ago
7 0
They divide the amount of people by square miles
ValentinkaMS [17]3 years ago
3 0

by measuring the area of the entire population

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At what depth(km) would a rock experience temperature of 5500C?
kow [346]

Explanation:

A rock would experience a temperature of 5500°C is about the core which is at a depth of 220km.

But let us use the earth's geothermal gradient to solve this problem.

The geothermal gradient is the rate at which temperature is increasing with depth.

The geothermal gradient 25°C/km

        At 5500°C,

               5500°C x  \frac{1}{25}  \frac{k}{C}  =    220km

But this is not so in nature, there are other heat sources that contributes to increasing temperature with depth such as radioactive heat and frictional heat.

learn more:

Mantle brainly.com/question/10758534

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7 0
3 years ago
I’ll mark brainliest <br> how do organisms with many cell types develop from a single cell
Rashid [163]

Answer:

A multicellular organism develops from a single cell (the zygote) into a collection of many different cell types, organized into tissues and organs.During development, cells use both intrinsic, or inherited, information and extrinsic signals from neighbors to "decide on" their behavior and identity.

5 0
3 years ago
Warm-Up:
Agata [3.3K]

Answer: Warm-Up:

Write down two places in the school where

you think there might be a lot of bacteria,

and write down two places in the school

where you think there will be very little

bacteria. Explain why you chose these

places.

Explanation:

There is a lot of bacteria in the restroom because it is they restroom of course and there is a lot of people who go in and out through out the day. Some people do not wash their hands after using the bathroom, also from other places. One of the most cleanest areas might be the science lab because they are always cleaning up everything and disinfecting.

8 0
2 years ago
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3. Nowadays many people are using sunscreen lotions as per doctor's advice to protect
evablogger [386]

Answer:

Ozone layer... pollution

Explanation:

The ozone layer is a layer in the atmosphere which provides a barrier between harmful UV rays and the Earth. However, pollution is quickly depleting the layer which in turn creates a higher risk of skin cancers and other conditions caused by harmful UV rays.

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3 years ago
Which muscle is the women using to lift the ball over her head
Mariulka [41]

Answer:

shoulder muscle

When the basketball player is lifting the ball, the shoulder muscle is being used to lift over her head.

Explanation:

Brainliest please?

5 0
2 years ago
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