Answer:
The difference between a mineral and a rock is (C) A rock is generally made up of an aggregate of minerals, but this is not a requirement. Rocks can also be made up of non-mineral matter.
Explanation:
Answer: A low pressure system has lower pressure at its center than the areas around it. ... Because of Earth's spin and the Coriolis Effect, winds of a low pressure system swirl counterclockwise north of the equator and clockwise south of the equator. This is called cyclonic flow
Answer:
Option (4)
Explanation:
Here, Speed of light=
Km/sec
Distance=
Km
We know that,




=500 sec
=8 minutes 20 sec
Hence, the correct answer is option (4) i.e 8 minutes.