[Answered] What percentage of hydrocarbons found in the atmosphere result from human activity? A) 15 B) 35 ...

This topic contains a solution. Click here to go to the answer

Author Question: What percentage of hydrocarbons found in the atmosphere result from human activity? A) 15 B) 35 ... (Read 89 times)

erika

Hero Member
Posts: 522

on: Aug 27, 2018

What percentage of hydrocarbons found in the atmosphere result from human activity?

A) 15
B) 35
C) 55
D) 75

Question 2

Most hydrocarbons in the atmosphere in rural areas arise from

A) automobile exhaust.
B) evaporation of gasoline.
C) industrial emissions.
D) natural sources.

Need homework help now?

Ask unlimited questions for free

Ask a Question

Marked as best answer by a Subject Expert

jonathanballen97

Sr. Member
Posts: 347

Reply #1 on: Aug 27, 2018

Answer to Question 1

A

Answer to Question 2

D

erika

Member
Posts: 522

Reply 2 on: Aug 27, 2018

Great answer, keep it coming

momolu

Member
Posts: 320

Reply 3 on: Yesterday

Wow, this really help

« previous next »

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.