What is the collective role of water vapor, carbon dioxide, ozone, and methane in the atmosphere?

a) they prevent the harmful ultraviolet radiation of the sun from reaching earth.
b) they are important components of the water cycle, which regulates earth's temperature.
c) they regulate earth's climate by trapping heat and holding it within earth's atmosphere.
d) they scatter almost a third of the sunlight that reaches the outer layers of the atmosphere back into space.

The correct answer is A) and C).

Water vapor, carbon dioxide, ozone, and methane are the essential greenhouse gases. They prevent the harmful ultraviolet radiation of the sun from reaching the earth. This is because they trap the heat energy and hold it within atmosphere. Due to this, they help in the regulation of the earth's climate.

Thus, the correct answer is-  A)  They prevent the harmful ultraviolet radiation of the Sun from reaching Earth.

C) They regulate Earth's climate by trapping heat and holding it within Earth's atmosphere.

the answer is: metamorphic rocks often show the presence of fossils, also a

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-lavira: )

picture a world where computers are building made-to-order personalized robotic arms and synthetic organs, drones are circulating above mars! due to the rapid growth of technology, the future has never been more unpredictable, and it presents a huge challenge in education: we are teaching students how to work in a future that we have never been unsure of. it is widely predicted that in eight years’ time, there will be more jobs in the fields of science, mathematics, technology and engineering than in any other discipline. and, as the technology continues to develop, it will soon become clear that addressing social problems will involve more innovative thinking, and analytical and technical knowledge than ever before. undeniably, there are no subjects that encourage innovative and creative thinking, deep thought, problem solving and independence more than the stem subjects. while it is widely commented on that there is a need to reimagine the ways stem subjects are taught in schools by embracing a more interactive and innovative approach to appeal to more students, it should come as no surprise that some of the most reputable educational organizations in the world are already implementing changes to embrace stem. harvard, for example, announced in 2014 that they were increasing their computer science faculty by over 50% and has since introduced computer science as a core subject for all freshmen. the urgency of supporting stem subjects at a young age is becoming more relevant than ever, as adopting a keen interest in the curricula needs to happen early. however, beyond the age issue is one of gender.

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