Which of these protects the earth from harmful radiation when found in the stratosphere, but is a pollutant at lower altitudes

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Answer 1

Answer: The atmosphere is like a blanket for our planet, within this atmosphere, there's a layer called "The ozone layer" which protects our planet from most of the sun's harmful rays. And yes, the ozone layer has holes, because of the pollution.

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A common rock type found within oceanic crust is called?

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Basalt rock is a type of rock, which is commonly found within the oceanic crust.

What is a basalt rock?

A basalt rock is an extrusive rock, which is igneous and a significant part of a basalt rock comprises volcanic rocks. It is generally found within the oceanic crusts, and has very low viscosity.

An image of a basalt rock is added for better reference.

Hence, the significance of basalt rock is given.

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A common rock type found within oceanic crust is called basalt rocks. It is dark just like an igneous rock and it is basically a type of lava from a volcano.

Which of the following is NOT an ethic group in the Middle East?A. Berbers
B. Polynesian
C. Assyrians
D. Greeks

Answers

Answer:

Berbers

Explanation:

Every year, plates under the ocean move approximatelya. 1-2 centimeters
c. 1-2 yards
b. 1-2 feet
d. 1-2 miles Please select the best answer from the choices provided A B C D

Answers

The answer is (s.) 1-2 centimeters. Every year, plates under the ocean move approximately 1-2 centimeters. This movement is the earthquake under the ocean and can also be called Submarine earthquake when the intensity goes high. This movement can lead to tsunamis.

Answer:

The correct answer to this would be C! :)

Explanation:

Every year, plates under the ocean move approximately

a. 1-2 centimeters

c. 1-2 yards

b. 1-2 feet

d. 1-2 miles Please select the best answer from the choices provided A B C D

What is Colonialism??

Answers

Colonialism is a historical and socio-political system where a dominant power, typically from another territory or country, extends its control over another region or group of people. It involves the exploitation, subjugation, and economic, cultural, and political influence of the colonized region or people by the colonizing power for their own benefit and interests. This control often includes altering local institutions, culture, and land ownership to suit the colonizer's objectives. The effects of colonialism have had a lasting impact on the colonized nations, shaping their development, social structures, and relationships with the world.

In a laboratory 178.8 g of water is separated into hydrogen gas and oxygen gas. the hydrogen gas has a mass of 20.0 g what is the mass of the oxygen gas produced?

Answers

Below is the solution:
n equation showing conservation of mass of reactants and products:
2H2O --> 2H2 & O2

what is the mass of the oxygen gas produced, from 178.8 g H2O , (using molar masses:
178.8 g H2O @ (1mol O2)(@ 32.00 g/mol) / (2molH2O)(18.02g/mol) =
your answer (4 sigfigs): 158.8 g O2

178.8 g H2O ---> 20.0 H2 & 158.8 O2

To find the mass of the oxygen gas produced, we can subtract the mass of the hydrogen gas from the total mass of water. Therefore, the mass of the oxygen gas produced is 158.8 grams.

Given:

Mass of water = 178.8 g

Mass of hydrogen gas = 20.0 g

To calculate the mass of oxygen gas:

Mass of oxygen gas = Mass of water - Mass of hydrogen gas

Mass of oxygen gas = 178.8 g - 20.0 g

Mass of oxygen gas = 158.8 g

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Why are there so many volcano's erupting around the ring of fire?