That means like oxygen for like breathing in your mouth
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.
Answer:
The factors responsible for it are as follows: Growing demand for cultivated land to meet the food grain requirements. This has been caused by growing population of the country. Industrial development and mining that have resulted in forests being cleared away to enable access to resources