Question

E. Think and answer.
1. Which continent is called the island continent and why?
2. Which hemisphere of the earth is called the water hemisphere? Why?
3. Why are there many ports along the Atlantic coast?
4. How does the atmosphere act like a blanket?
5. Why does atmospheric pressure decrease in summer?
F. Fill in the blanks.
1. The earth's zones include the lithosphere, the atmosphere and the ......
2. ...... is the largest continent while ...... is the smallest.
3. A line of mountains is called a .......
4. The Vosges and Black Forest mountains are ...... mountains.
5. The Black Sea and the ......Sea are completely enclosed by land.
6. ...... is the gas which helps plants to make food, and keeps the earth warm.
7. The air pressure ...... as we go up.​

Answer 1

Answer:

1. Australia is called an island continent as it is the only continent which is also a nation and is surrounded by water from all the four sides.

2. Most of the "Pacific ocean" and the "Indian ocean" are in the "southern hemisphere". That's why "northern hemisphere" is called "land hemisphere" and southern hemisphere called water hemisphere.

3. The Atlantic coast seaports facilitate freight flow and international trade for both the long-established and populous Northeast, and the growing areas along the Southeast Atlantic coast.

4. The atmosphere mainly contains air which is a bad conductor of heat. ... The atmosphere prevents the sudden increase in temperature during the daylight hours and during the night, it slows down the escape of heat into the outer space. In this way, atmosphere acts as a blanket.

5.Air pressure is lowest during the summer season when the temperature is hottest. This is because warm air is less dense than cold air, as the heat.

fill in the blanks

1. The earth's zones include the lithosphere, the atmosphere and the asthenosphere.

2. Asia is the largest continent while Australia is the smallest.

3. A line of mountains is called a mountain range

4. The Vosges and Black Forest mountains are low mountains.

5. The Black Sea and the red Sea are completely enclosed by land.

6. Carbon dioxide the gas which helps plants to make food, and keeps the earth warm.

7. The air pressure decreases with increasing altitude as we go up.

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