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Ann [662]
3 years ago
11

3. What is the acceleration due to gravity on Earth?—Answer must include number and its unit (This is a constant number used in

all calculations when we use force of gravity on Earth.)
Biology
1 answer:
pychu [463]3 years ago
7 0

9.8 meters per second squared



This is the rate of acceleration of gravity on earth.

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List four different primary energy resources that humans have used.
Butoxors [25]

Answer:

हिंदी में खोजें

मानव द्वारा उपयोग किए जाने वाले चार विभिन्न प्राथमिक ऊर्जा संसाधनों की सूची बनाएं

<em><u>Crude oil, coal, wind and natural gas are all primary energy sources. Electricity is not a primary energy source, it's an energy currency (see electricity as an energy currency for an in depth discussion). Likewise, secondary fuels are also energy currencies and aren't primary energy sources, they must be made.</u></em>

4 0
2 years ago
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What is the significance of a chemical formula?​
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Answer:

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<em>like </em><em>the </em><em>name </em><em>of </em><em>elements</em><em> </em><em>involved</em><em> in</em><em> it</em><em>,</em><em> </em><em>number</em><em> of</em><em> </em><em>atom </em><em>of </em><em>each </em><em>element</em><em> </em><em>and </em><em>it </em><em>also </em><em>shows</em><em> </em><em>that</em><em> </em><em>which </em><em>type</em><em> of</em><em> </em><em>reaction</em><em> is</em><em> </em><em>going</em><em> on</em>

<em>like </em><em>exothermic</em><em> </em><em>and </em><em>endothermic</em><em>,</em><em> </em><em>combination</em><em>,</em><em> decomposition</em><em> </em><em>etc </em>

<em>hope</em><em> it</em><em> helps</em>

4 0
3 years ago
The atomic mass of common krypton is 84, and its atomic number is 36. Krypton-82 has how many neutrons within each isotope? A. 4
PtichkaEL [24]
The correct answer would be A. The number of neutrons present in Krypton-82 would be 46. The atomic number of an atom represents the number of protons present while the mass number is the sum of the neutrons and protons in the atom. The mass number for the given atom is 82. So, 82-36 = 46 neutrons present.
5 0
3 years ago
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Describe the path that oxygen travels when you breathe.
lesya [120]

Answer:

The oxygen in inhaled air passes across the thin lining of the air sacs and into the blood vessels. This is known as diffusion. The oxygen in the blood is then carried around the body in the bloodstream, reaching every cell. When oxygen passes into the bloodstream, carbon dioxide leaves it.

Explanation:

8 0
3 years ago
Biology can help you to understand patterns of inheritance in your family. <br> a. True<br> b. False
dexar [7]
The answer is true you can find these things out by DNA abd chromosomes
7 0
3 years ago
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