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jeka94
2 years ago
6

Short speech on earth day for Grade 2

Biology
1 answer:
kipiarov [429]2 years ago
5 0

Answer:

Earth is one of the eight planets of our planetary group that rotates around the sun.

Earth is the main known planet that upholds life in the whole planetary group.

World Earth Day is commended on the 22nd of April consistently. It is to increment public attention to the Earth's economical climate.

World Earth Day features the significance of ecological assurance for the endurance of life.

It is accepted that the Earth should be 4.5 billion years of age.

Right around 70% of the outer layer of the Earth is covered with water. Thus, it is known as a blue planet and an extraordinary planet.

Earth has an air holding back 20% of the oxygen that aides in the endurance of living creatures.

Gases like oxygen, carbon dioxide, and nitrogen in the Earth's environment assist plants with developing.

Earth is spheroid in shape. It is critical contrasted with different planets like Mercury, Mars, Neptune, Pluto, and Venus.

Earth finishes its circle around the sun in 365 days. In such a manner, it makes a jump year once in four years.

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Which does not occur at the continental margin in the Pacific Ocean?
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Answer:

Widen Margins occurs at the continental margin in the pacific ocean, so the answer is:

1. Widened Margins.

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3 years ago
Over the past 150 years, how has fossil fuel consumption affected the carbon dioxide concentrations in the atmosphere?
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Increased fossil fuel use has increased atmospheric carbon dioxide.

Explanation:

Burning fossil fuels increases the amount of CO₂ in air, which is unhealthy.

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3 years ago
Which of the following statements regarding glycolysis is FALSE?
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c. Glycolysis evolved in an oxygen-rich environment.

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what effect does the nervous system have on the heart rate? stimulation by sympathetic nerves sets the resting heart rate of the
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The effect nervous system has on the heart rate is

Stimulation by parasympathetic nerves causes the heart rate to slow down.

The two branches of the autonomic (involuntary) nervous system regulate heart rate. The parasympathetic nervous system and the sympathetic nervous system (SNS and PNS) (PNS). To increase heart rate, the sympathetic nervous system (SNS) produces the catecholamines epinephrine and norepinephrine. The hormone acetylcholine is released by the parasympathetic nervous system (PNS) to reduce the heart rate. Your heart rate may briefly increase due to stress, coffee, and excitement, whereas it may temporarily decrease due to meditation or deep, steady breathing. Any amount of exercise will raise your heart rate, which will stay up as long as you keep exercising.

To learn more about nervous system here:-

brainly.com/question/13487019?referrer=searchResults

#SPJ4

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