<u>Answer:
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The build-up of three oxygen created our ozone layer around two billion years ago.
<u>Explanation:
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- The ozone layer is a part of the stratosphere which is located right after the troposphere in the atmosphere of the Earth.
- The ozone gas is made up of the abundance of three oxygen molecules combining with the ultraviolet radiation emitted by the Sun.
- The development of the ozone layer happened around two billion years ago when the oxygen concentration levels on the planet began to rise slowly and gradually.
Answer: A member of Congress might attach a rider to a bill in order to get a controversial provision in the bill get passed with the passage of the bill.
Explanation: A rider is nothing but another provision added to a bill that may otherwise be considered as a controversial bill in whole without the inclusion of the rider. The rider acts as a puller to the other controversial provisions of the bill that the member of Congress intends to get passed.
When water vapor and carbon dioxide absorb heat and either radiate it into space, to other gases, or send it back to Earth, this is the <u>Greenhouse Effect. </u>
<h3>What is the Greenhouse effect?</h3>
This is the trapping of the sun's heat by gases such as water vapor and carbon dioxide.
When the heat is trapped, it can be radiated to other gases or radiated back to the Earth. This process is responsible for the rise in temperature noted around the Earth.
Find out more on the Greenhouse Effect at brainly.com/question/19521661.
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A representation function is a legislative based on the economic and social groups. Hope this helps. Have a great day.
