angelteddy033 angelteddy033

12-11-2018
Chemistry

contestada

There are many sources of air pollution in the united states and around the world. Some are natural sources, and other come from human activities. Which of these examples is a natural source of air pollution?
A.) car exhaust fumes
B.) methane gas from cow manure
C.) dust from fertilizers used on crops
D.) smoke from the burning of fossil fuels

Respuesta :

dipperisbro dipperisbro

12-11-2018

B should be your best guess

Answer Link

Otras preguntas

Matthew throws a ball straight up in the air it rises for a period time then it begins to drop at which point in the balls journey will gravity be greatest forc

Contrast how lipids react in water with how carbohydrates act in water

When the allstons returned to their plantation at the end of the civil war, they were unable to regain control of their property from the freed slaves. a. True

The file extension for Access 2007 and 2010 database filenames is .accdb. What is the file extension for older versions of Access database files.

According to many scientists, how does increased pollution cause global warming? a. It causes acid rain, which leads to rising sea levels. b. It results in ch

the polar bear at sea world eats 480 kg of fish each day. this is 4 times as much as what the seal eats. how much do the trainers need to prepare for both anima

You inherit $10,000 with the stipulation that for the first year the money must be invested in two stocks paying 6% and 11% annual interest, respectively.how mu

What was one motive the United States government provided subsidies (money) and land grants to railroad companies in the 1800s? A) to convince banks that railr

Which of the following options is not a way to deal with permafrost? A. avoid it B. destroy it C. preserve it D. melt it

Read the sentence. Check the type of ungrammatical-sounding English that it illustrates. He buy me good present, no? child's language grammatical error English