15 foods that are good for your heart. Eat fish high in omega-3s, such as salmon, tuna, mackerel, herring and trout. A handful of healthy nuts such as almonds or walnuts will satisfy your hunger and help your heart.
Written by Marcia Malory. Category: Atmosphere. The atmosphere, a thin shell of gases surrounding the Earth, is a very effective protective shield that reflects and absorbs harmful radiation and objects like meteorites.The atmosphere protects the Earth from receiving too much radiation from the Sun.ritten by Marcia Malory. Category: Atmosphere. The atmosphere, a thin shell of gases surrounding the Earth, is a very effective protective shield that reflects and absorbs harmful radiation and objects like meteorites.
Atmosphere is the gaseous envelope of air that surrounds the earth. The air extends as far as 620 miles above the surface of the earth. Scientists divide the earth's air into four layers: the troposphere, the stratosphere, the mesosphere and the thermosphere. Nitrogen makes up 78 percent of the world's atmosphere and oxygen makes up 21 percent. The last one percent consists mainly of argon and small amounts of other gases.