ECOLOGY
CHEMICAL CYCLES
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
protects Earth’s surface
|
|
|
includes organisms in the air, on land, and in water
|
|
|
consists of rock, minerals, landforms, and Earth’s interior
|
|
|
comprises oceans, lakes, rivers, streams, and groundwater
|
Detailed explanation-1: -It creates the pressure without which liquid water couldn’t exist on our planet’s surface. And it warms our planet and keeps temperatures habitable for our living Earth. Thus, protects Earth’s surface is correct.
Detailed explanation-2: -One of the main components of Earth’s interdependent physical systems is the atmosphere. An atmosphere is made of the layers of gases surrounding a planet or other celestial body. Earth’s atmosphere is composed of about 78% nitrogen, 21% oxygen, and one percent other gases.
Detailed explanation-3: -Answer and Explanation: (a) The atmosphere is layered is the most accurate statement, and it is layered based on composition as well as thermal profile. The atmosphere doesn’t just surround most of the Earth, but all of it, and is important to all life.
Detailed explanation-4: -Earth’s atmosphere is a thin band of air made up of numerous layers based on temperature. Without this protective blanket, life on Earth would not exist as it protects us from heat and radiation emitted from the sun and contains the air we breathe.
Detailed explanation-5: -The ozone layer shields us from the harmful effects of excessive UV radiation, which can lead to sunburn, skin cancer and eye damage.