EASY
4th CBSE
IMPORTANT
Earn 100

What is a wedge? 

Important Questions on Practice Paper 4 Based on Chapters 12 to 15

EASY
4th CBSE
IMPORTANT
The ability to do work is called
EASY
4th CBSE
IMPORTANT
The protective blanket formed by air around the earth is called 
 
EASY
4th CBSE
IMPORTANT
Which of these planets is known as the evening star? 
 
EASY
4th CBSE
IMPORTANT
The normal body temperature of a human being is?
EASY
4th CBSE
IMPORTANT

Answer in one word.

Energy obtained from the sun.

EASY
4th CBSE
IMPORTANT

Answer in one word.

Continuous movement of air from hot to cold regions and vice-versa.

EASY
4th CBSE
IMPORTANT
Write the complete name of the main gas which constitutes 78% of air present in the atmosphere.