Sherman, Max
The atmosphere of the earth is the layer of gases that surrounds the earth, and it has many layers and is composed of various gases. The layer of the atmosphere that we breathe, which is closest to the earth, is the troposphere.
Now, don’t be mistaken. There are other greenhouse gases (nitrogen, methane, and even water vapor) that we could spend time focusing on too, but let’s just stick to carbon right now. What can we do? It’s no secret that lowering levels of atmospheric carbon is a *hot* topic (pun...
Chemicals In the Air: Air pollution is the contamination of air in our atmosphere by harmful gases and particulate matter that is not naturally found in the air. Air pollution is caused by many different sources, including the burning of fossil fuels, vehicle exhaust and industrial processes. ...
Greenhouse gases are the gases in the atmosphere that trap the sun's radiation and cause the atmosphere to become warmer. This also makes temperatures on Earth warmer, making it inhabitable for a vast variety of living things.Answer and Explanation: The greenhouse gas that has the highest ...
What does it mean to be green?“Green”is more than just a color.It also means taking special steps to protect the environment—the water,the land,and the air we breathe.Why green?Plants are green,and without them the earth wouldn’t be such a lovely home for us human beings. ...
What gases can be a threat when they are part of the air inside your home? How would you determine if they are present? At what level do they present a threat? Air Pollution: Air pollution is pollution that is mainl...
The rainforests are very important for us.We need them!The trees and other plants in the forest help to make the air that we breathe.They give us wood,rubber,fruits and many of our medicines.4 Unfortunately,in many places,the rainforests are in danger.For example,many years ago there was...
百度试题 结果1 题目It is the bacteria have generated the oxygen we breathe on earth. A. what B. that C. where D. as 相关知识点: 试题来源: 解析 B 反馈 收藏
They are easy to use, beautiful and safe. Because boys and girls have always played to have fun and learn, the games we make - like the toys that last a lifetime - can be seen, played and heard. At Learny Land we take advantage of the most innovative technologies and the most ...