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Mila [183]
3 years ago
11

What are glaciers? A glacier is a huge mass of ice that moves slowly over land.

Biology
1 answer:
tigry1 [53]3 years ago
4 0

Answer:

What do they look like?

Glaciers look like solid blocks of ice.

What climate do they exist in?

Regions that have high snowfall in winter and cool temperatures in summer.

Where can you find them?

Most of the world's glacial ice is found in Antarctica and Greenland, but glaciers are found on nearly every continent, even Africa.

What do you think we can learn from glaciers?

Glaciers preserve bits of atmosphere from thousands of years ago in these tiny air bubbles, or, deeper within the core, trapped within the ice itself. This is one way scientists know that there have been several Ice Ages. Scientists are also finding that glaciers reveal clues about global warming.

(The last question is unclear to me, so I'm going to take a guess as to what you meant)

Why is sea ice so important?

Arctic sea ice keeps the polar regions cool and helps moderate global climate.

I hope this helps!! :3

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<u>Answer</u>:

1. The purpose of the uninoculated control tubes used in the oxidation fermentation test is to serve as basis of the medium for the color comparison and that it is sterile.

2. It is necessary to use two controls in order to illustrate the no color change (green color) under both aerobic and anaerobic conditions.

3. The purpose of the experiment is to determine if the organisms utilize the carbohydrate and thus is fermentative. This will result in a color change from green to yellow.

Thus, the medium in one tube is sealed with a layer of paraffin to prevent diffusion of oxygen.  This tube will show that the medium is unaffected by the lack of oxygen.

The second tube will allow the diffusion of oxygen. This tube will show that the medium does not change color naturally in the presence of oxygen. Thus, the color changes will be caused only by the fermentation process of the organisms.

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3 years ago
How many electrons fill each of the orbital levels in the diagram below?
Lapatulllka [165]
Its 18 electron

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2nd orbital : maximum = 8 electrons
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2 years ago
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For the answer to the question above, the <span>head circumference is a means of assessing brain growth.

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3 years ago
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1. For any type of rock to become sedimentary rock, what must first happen
svet-max [94.6K]

Answer:

The rock must be eroded into sediment

Explanation:

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4 0
2 years ago
The information carried by a dna molecule is in __________.
Papessa [141]

Answer:

Sequence of nucleotides in the DNA strand

Explanation:

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A DNA strand consists of two polynucleotide chains, composed of four nucleotide subunits. Each of these chains is known as DNA strand. Hydrogen bonds between the base portions of the nucleotides hold the two chains together. DNA nucleotides are composed of a 5-carbon sugar (Deoxyribose) to which are attached one phosphate group and a nitrogenous base (Adenine, Guanine, Cytosine and Thymine). The nucleotides are covalently linked together.

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3 years ago
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