Biology
Biology, 09.07.2019 16:50, honeytrail429

On which planet(s) is the greenhouse effect present? (choose all that apply.)

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Geography, 19.07.2019 18:40, kinqlouiee2253
What is a "runaway greenhouse effect" for a planet? when a planet's temperature gets hot enough that water (from the surface such as in oceans, etc.) evaporates into the atmosphere. in the atmosphere, the water acts to further trap radiation from the earth's surface, enhancing the greenhouse effect. it's a necesary part of a planet's evolution from the cold early stages of solar system formation to the warmer stages of the planet now. the planet becomes so hot that greenhouse gasses are released from the rocks on the surface of the planet and are dissolved into the oceans, thereby causing unusually high levels of chemical heating in the oceans on a planet. the regular greenhouse effect is amplified by additional volcanic activity early the planet's history to cause a "runaway" greenhouse effect?
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Physics, 22.08.2019 06:00, GiuliAzevedo
Which of the following is a result of the greenhouse effect? the greenhouse effect is causing the sea level to rise. the greenhouse effect is melting the polar ice caps. the greenhouse effect keeps the earth from becoming too hot during the day and too cold at night. the greenhouse effect is ruining our environment.
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Geography, 04.10.2019 20:00, Daisysolis136
3this is a multistep problem, and a bit complicated, but it will lead you to your own roughly accurate estimate of the warming from the present level of co2 in the atmosphere. a) estimate, from the above problem, how much hotter the earth will eventually get if the level of carbon dioxide and other human-made greenhouse gases remain at the present value. you will do this by estimating the increase in temperature due to the part of the natural greenhouse effect which is attributable to co2, and then making an extrapolation to today’s co2 concentration. (for the warming by the natural greenhouse effect, you may use the value i calculated in class, or the value in the book.) co2 itself produces about 20% of the natural greenhouse effect, while the majority is due to water vapor. therefore, if humans raise the co2 level by 5%, for example, we increase the total greenhouse effect by 20% × 5% = 1%. by what percentage have we actually increased co2? use this information to estimate the temperature rise that will follow. i get around 6°f. (this is an increase of about a third as much as the natural warming since the ice ages, so it’s enough to change the planet a lot. and of course the co2 concentration isn’t staying the same, it’s growing, and at a faster and faster pace. finally, we are producing the other greenhouse gases such as methane at alarming rates as well.) b) why is venus so extremely hot? that is, why is the greenhouse effect so strong on that planet? ( answer both a and b, handwriting is not acceptable)
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Chemistry, 29.10.2019 23:31, alejandramirand9836
The trapping of heat in the lower atmosphere (the troposphere), referred to as the greenhouse effect, is a natural process that regulate the temperature of our planet, allowing for life on earth to exist and flourish. nitrogen and oxygen molecules make up 99% of earth's atmosphere, with water and carbon dioxide accounting for less than 0.5%. this natural greenhouse effect is the result of heat absorption by h2o and co2 molecules in the lower atmosphere, and re-radiation of this trapped heat back to earth's surface. without the natural greenhouse effect, earth's temperature would be 0°f instead of its present 57°f. the question for some is whether human activities are causing an increase of the greenhouse effect, and thus global climate change. scientific data collected in the past fifty years indicates that the concentration of greenhouse gases in the atmosphere has been increasing, while chc's have become stabalized in the lower atmosphere.which greenhouse gas is most abundant naturally?
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