Water and air both have oxygen and due to the contamination in the oxygen both water and air suffer
Okay, so to find 32 percent of 75, you want to divide 100 by 75. You should get 1.33. Then , you will know that 1% of 75 is 1.33. So, to find 32% of 75, multiply the number, 1.33, by 32, and you should get 42.67. So, 32% of 75 is 42.67.
Answer:
1.a long, steep slope, especially one at the edge of a plateau or separating areas of land at different heights.
2.3,032miles
3.At more than 42 million acres, the Pantanal is the largest tropical wetland and one of the most pristine in the world. It sprawls across three South American countries—Bolivia, Brazil and Paraguay—and supports millions of people there, as well as communities in the lower Rio de la Plata Basin.
hope this helps you :D
Usually determined by changes in the biota.