How does height above sea level affect climate

Which of these is a drawback of using natural gas? a. it is fairly safe for use in homes.b. it burns more cleanly than crude oil products.c. scientists have developed new ways of extracting it.d. during its extraction, groundwater can be contaminated.

The desert expands by hundreds of square miles each year.

Find the volume of 3, 8 and one third and 10 and 2 over 5