Answer:
It is a process by which greenhouse gases allow the sun’s light to penetrate the atmosphere but stop the heat from escaping.
Explanation:
a green house is a house made purely of glass a transparent material within which the conditions for plant growth such as temperature and humidity can be controlled. this when the temperature is set to a particular degree it remains same untill regulated as there's no where for heat to escape.
the green house effect therefore implies the fact that gases are forming a barrier around the earth that prevents the heat from the sun and other sources from escaping. A similar effect in a green house.
A quarter is a fourth of something. In this case a quarter is a fourth of an hour. An hour is 60 minutes, and a fourth of that is 15 minutes (60 divided by 4).
So quarter past 3 is 3:15
The answer should be Congress!!
CivilWarSaga.com says, It is estimated that at least 100,000 Union soldiers were boys under 15 years old and about 20 percent of all Civil War soldiers were under 18. Hope this helps :)