Q. The 90ยบ East Ridge lies in the ________ Ocean.

Answer

Correct Answer : Indian

Q. The actual amount or moisture contained in the air is known as

Answer

Correct Answer : Absolute humidity

Q. The age of a tree can be estimated by

Answer

Correct Answer : The number of concentric rings on a cross-section of its trunk

Q. The age of the Earth is approximately

Answer

Correct Answer : 4600 million years

Q. The Amazon forests are a type of?

Answer

Correct Answer : Tropical Forest

Q. The amount of dew is measured by

Answer

Correct Answer : Drosometer

Q. The Appalachian coal fields, one of the important coal fields in the world, are located in ________

Answer

Correct Answer : U.S.A.

Q. The Appalachian highland of North America are economically important mainly because of ________

Answer

Correct Answer : Rich mineral wealth forming the basis of flourishing industries

Q. The approximate depth of the Mariana Trench or the Pacific Ocean is

Answer

Correct Answer : 11030 m

Q. The approximate distance between the Earth and the Moon is

Answer

Correct Answer : 380000 km