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kramer
3 years ago
13

2. What has happened to the level of carbon dioxide in the atmosphere in the past several

Biology
2 answers:
Alex3 years ago
8 0

Answer:

Nov 23, 2020 · Levels of carbon dioxide (CO2) in the atmosphere hit a new record of 410.5 parts per million in 2019, and are expected to keep rising this year, the World Meteorological Organization (WMO) said in its annual Greenhouse Gas Bulletin on Monday. “We breached the global threshold of 400 parts per million in 2015.

Explanation:

i dont know this is the correct answer???/

lapo4ka [179]3 years ago
5 0

Answer: The annual rate of increase in atmospheric carbon dioxide over the past 60 years is about 100 times faster than previous natural increases, such as those that occurred at the end of the last ice age 11,000-17,000 years ago.

Explanation: As the birth of humans, they used thier intelligence in making factories, ships, buildings, industries, and kept polluting the air, water and kept bringing noise pollution. Eventually cut trees which led to pollution and is bringing carbon dioxide to the topmost level with other harmfull gases. Planting trees after cutting them, Building chimneys much taller, using less plastic and less electricity can help a lot for our planet earth to balance and survive more.

hope it helps

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Viktor [21]

Answer:

The overall chemical reaction of cellular respiration converts one six-carbon molecule of glucose and six molecules of oxygen into six molecules of carbon dioxide and six molecules of water. ... So the carbons in the glucose become oxidized, and the oxygens become reduced.

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2 years ago
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48.
satela [25.4K]

Answer:

Ribose

Explanation:

DNA is a large molecule, a type of nucleic acid which store and act as a genetic material of the cell. DNA molecule is formed by the repeating monomer units called nucleotides.

Each nucleotide is made up of three subunits as:

1. 5-C sugar: De-oxyribose formed by the removal of oxygen group from 2' OH group of ribose. Ribose is the sugar molecule present in RNA nucleic acid.

2. Phosphate group (PO₄³⁻)

3. Nitrogenous bases: adenine, guanine, adenine and cytosine.

Thus, ribose is the correct answer.

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3 years ago
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amm1812

My favorite animal is the Arctic fox it has very small ears because with big ears very much heat is lost so the small ears cause the fox to lose less heat.

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A magnified crocodile tongue is an example of multicellular organism true or false
gizmo_the_mogwai [7]

Answer:

true

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Whitch of the molecules has nitrogen bases that include the following:
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