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lions [1.4K]
3 years ago
15

Where is the most basic building blocks of all organisms

Chemistry
1 answer:
Naily [24]3 years ago
5 0

Answer:

Cells

Explanation:

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Identify the following as either a chemical symbol or a chemical formula. CO Co W Be HI
Nat2105 [25]

Answer:

CO is the chemical formula for carbon monoxide.

Co is the chemical symbol for cobalt.

W is the chemical symbol for tungsten.

Be is the chemical symbol for beryllium.

HI is the chemical formula for hydrogen iodide.

Explanation:

Chemical symbols are either written as a single uppercase letter (ex. O) or an uppercase letter and a lowercase letter (ex. Na).

Chemicals can be anything else! For example CO or even somthing like LiIO.

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At what height the acceleration due to gravity of the earth become half ?​
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Acceleration due to gravity is reduced to half its value on the earth's surface at an altitude of 2.65×106 m

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Why do oxygen and hydrogen connect (attach) underwater? ​
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The slight positive charges on the hydrogen atoms in water molecules attract the slight negative charges on the oxygen atoms of the other water molecules
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Why is it commonly believed that carbon dioxide is responsible for global warming? Select 2 options.
monitta

Answer:

Carbon dioxide levels in the Earth's atmosphere have been steadily increasing.

Carbon has a longer average lifetime in the atmosphere.

Explanation:

Today the level of carbon dioxide is higher than at any time in human history. Scientists widely agree that Earth’s average surface temperature has already increased by about 2 F (1 C) since the 1880s, and that human-caused increases in carbon dioxide and other heat-trapping gases are extremely likely to be responsible.

The lifetime in the air of CO2, the most significant man-made greenhouse gas, is probably the most difficult to determine, because there are several processes that remove carbon dioxide from the atmosphere. Between 65% and 80% of CO2 released into the air dissolves into the ocean over a period of 20–200 years.

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