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Ganezh [65]
3 years ago
12

What are ice cores and how are they useful in giving us info about the past?

Biology
1 answer:
podryga [215]3 years ago
7 0

Answer:

Ice cores are cylinders of ice drilled from ice sheets/glaciers. ice cores tell scientists about temperature, volcanic activity, atmospheric composition, precipitation, and wind patterns.

Explanation:

the thickness of each layer in the core allow scientists to determine how much snow fell in the area during a particular year. the layers are formed by layers of different types of snow. During the summer, when it is light for 24 hours, the snow on the top layer changes texture. When winter arrives, it turns dark and cold again and more snow falls on top of the summer snow, creating distinct layers.

Hope this helps!

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How does the DDT originally enter the food chain?
s2008m [1.1K]

Answer:

dichloro-diphenyl-trichloroethane

Explanation:

DDT is an insecticide that can pass up the food chain from insects to small birds, and then from the small birds to birds of prey, like hawks. It can accumulate in the birds of prey, giving them a large amount of DDT

4 0
3 years ago
Professor is preparing a traditional Thanksgiving meal and decides to make some turkey soup. He uses part of the leftover turkey
Umnica [9.8K]

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Fat from the Turkey

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2 years ago
​why is it that bottle-feeding a baby in developing nations has so much potential to be disastrous to the baby's health
Butoxors [25]

It is dangerous to the baby bottle feeding because of the only water available to prepare formula is often contaminated, which can lead to diarrhea, dehydration, and/or death.  This may also bring the risk for the babies especially when the bacteria develop and contaminate the feeding bottle. 

7 0
3 years ago
Which of the following animals look liike their parents at at birth? A;frogs B flies C turtles D
mamaluj [8]

Answer:

C

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Turtles look like their parents at birth

8 0
2 years ago
Read 2 more answers
Which is an SI derived unit measurement?<br><br>0.56 kg<br>01.10 m<br>2730K<br>02.5 N​
balandron [24]

Answer:

02.5 N​

Explanation:

02.5 N​ is a derived unit of measurement.

A derived unit is one that is obtained by combining two or more fundamental units.

                    Force = mass x acceleration

                The unit of mass = kg

                                   acceleration = m/s²

Combining the two;          kg x m/s²  = kgms²

          1N = 1  kgms²

kg, m, k and N are fundamental particles

         

5 0
3 years ago
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