Atmosphere - Study Mode

[#186] The correct sequence of different layers of the atmosphere from the surface of the Earth upwards is ________
Correct Answer

(C) Troposphere, Stratosphere, Mesosphere, Ionosphere

Explanation

Solution: The correct sequence of different layers of the atmosphere from the surface of the Earth upwards is Troposphere, Stratosphere, Mesosphere and Thermosphere. The troposphere is the layer that we live in. The troposphere starts at ground level and extends about 12 km upwards. From about 12 km to 50 km upwards is the stratosphere. In this layer, the jet stream blows strong winds eastward. The mesosphere is the coldest region of Earth’s atmosphere. It’s somewhere close to -100° Celsius. Themosphere is the thickest layer in the atmosphere is the thermosphere starting at about 80 km going upwards.

[#187] Which of the following colour types do not indicate fair or fine weather?
Correct Answer

(D) Cumulonimbus

Explanation

Solution: A cumulus cloud that exhibits significant vertical development (but is not yet a thunderstorm) is called cumulus congestus or towering cumulus. If enough atmospheric instability, moisture, and lift are present, then strong updrafts can develop in the cumulus cloud leading to a mature, deep cumulonimbus cloud, i.e., a thunderstorm producing heavy rain. In addition, cloud electrification occurs within cumulonimbus clouds due to many collisions between charged water droplet, graupel (ice-water mix), and ice crystal particles, resulting in lightning and thunder.

[#188] The radiation that heats earth's atmosphere comes from the
Correct Answer

(A) Sun

Explanation

Solution: The heat source for our planet is the sun. Energy from the sun is transferred through space and through the earth's atmosphere to the earth's surface. Since this energy warms the earth's surface and atmosphere, some of it is or becomes heat energy.

[#189] Why the Earth is having its own atmosphere?
Correct Answer

(C) Gravity

Explanation

Solution: Atmosphere contains particles and gases which do not escape to outer space because they are bounded by the force known gravity. Earth's gravity comes from all its mass. All its mass makes a combined gravitational pull on all the mass in your body. That's what gives you weight. And if you were on a planet with less mass than Earth, you would weigh less than you do here.

[#190] Some large lakes in temperate latitudes have a moderating influence upon the climate of adjacent land surfaces. Such an influence may develop when ________
Correct Answer

(C) Prevailing out-blowing winds cross the lake in winter

Explanation

Solution: Some large lakes in temperate latitudes have a moderating influence upon the climate of adjacent land surfaces. Such an influence may develop when prevailing out-blowing winds cross the lake in winter.