The answer is b, decrease the oxygen gas pressure
All the deserts are found at 30<span>°N because
</span><span>Hot air from the equator rises, then cools, moisture is lost, and the dry air comes down at 30 degrees north and south</span>
Multiply 80 by 12 to get 960 months.
Hope that helps :)
Yes it is, an example is a group of animals not treated with it died, but the animals that were survived--
Food takes about 6 to 8 hours to completely pass through the digestive tract.
