GSEB Class 7 Effects of Atmosphere on Living Beings

GSEB Class 7 Effects of Atmosphere on Living Beings

 

Answer the following questions in one sentence:

 

Upto how many kilometers does the troposphere extend over the equator?

The troposphere extends 16 kilometers over the equator.

 

Which trees are found in tropical evergreen forests?

Rosewood,Ebony,Mahigany and rubber trees are found in tropical evergreen forests.

 

Which animals are more common in coniferous forests?

Monkeys ,Polar bears,Musk deer and Yak are commonly found in coniferous forests.

 

What kind of clothes do the people of the desert region wear? Why?

People who live in hot deserts put on scarfs or head gear to protect themselves from constantly blowing sand.

What is the southwest wind called?

The southwest wind is also called monsoon winds.

 

Write short notes:

Temperate grassland

The grass that grows in the middle of the continents with a moderate climate is short and nutritious. The region is home to animals such as buffalo, bison, and antelope. This type of grass is found in the Velavadararar of Bhavnagar and the Banni area of Kutch in Gujarat. Depending on where they are found, they may be called steppe in Eurasia, prairie in the foothills of the Rockies, pampa in Argentina, and Uruguay in South America.

 

Forests of the Mediterranean Sea

The Mediterranean forests are found near the Mediterranean sea, which is mostly found on the continents of Europe, Africa, and Asia. The climate in this region is neither dry nor humid in summer nor cold nor humid in winter. Oranges, figs, olives, grapes, and other citrus fruit plants grow in these regions.

 

Isotope cover

 

Atmospheric pressure

There is a layer of air surrounding us. Atmospheric pressure is the result of a huge layer of air pushing against the surface of the earth. The pressure of the atmosphere is greater on the surface of the ocean. As we move higher from the surface of the earth, the atmospheric pressure decreases. Low pressure occurs when gases become hot and move upward in a region with high temperatures. Humidity and cloudy weather are associated with low pressure. Low-temperature regions have a cool atmosphere, which increases the pressure.

 

Answer the following questions:

 

What is climate? State the effects of climate on human life.

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