Advanced Placement (AP) College

What are the sources of air pollution that originate from smelting plants and paint?
a) Ozone
b) Lead
c) Radon
d) Mercury
e) Methane

Answers

Answer 1
Is a,,,,,,,,,,,,,,,,,,
Answer 2

Answer:

D) Mercury

Explanation:

Burning plants releases mercury (among one of the only heavy metals released by plants)

Paints especially red paint contains mercury.

Related Questions

Let R be the region in the first quadrant that is bounded above by the polar curve r=4cosθ and below by the line θ=1, as shown in the figure above. What is the area of R ?

Answers

Answer:

3.99m

Explanation:

The area of R will be equal to 3.999390781

R has a surface area of about 5.74 square units.

What is Surface area?

The whole area that an object's surface covers is referred to as surface area. In other terms, the area of a three-dimensional object is the total of all of its faces or surfaces. Inches, metres, and other square measurements of surface area are typical.

Given,

The polar curve r = 4cos and the line = 1 together define the region R. We must integrate over the area in terms of polar coordinates to determine the area of R.

We must first determine the boundaries of integration. When cos = 0, which happens at the points = /2 and 3/2, the curve r = 4cos intersects the origin. The curve is where the line = 1 intersects it at = cos1(1/4). As a result, the limits of integration for are cos(1/4/2)/2.

Next, we must translate the curve's equation into terms of r and. We can write the expression r = 4cos as r = 4cos(-/2)/(-/2) = 4sin(-/2). As a result, the curve's polar coordinates equation is r = 4sin(-/2).

The area of R can be calculated as:

A = ∫∫R r dr dθ

where the limits of integration are as described above.

Now, we integrate first with respect to r, from 0 to 4sin(θ-π/2):

A = ∫π/2^arccos(1/4) ∫0^4sin(θ-π/2) r dr dθ

Integrating with respect to r gives:

A = ∫π/2^arccos(1/4) [1/2 r^2]0^4sin(θ-π/2) dθ

Simplifying:

A is equal to 1/2 arccos(1/4) 16sin(-/2) d.

Using the formula sin2(-2/2) = -1/2 cos(2-), we get the following:

A = 1/2 arccos(1/4), (8 - 8cos(2-)), and d

Calculating the integral results in:

A = [4θ - 2sin(2θ-π)]π/2^arccos(1/4)

The restrictions of integration and simplification are replaced to produce:

A is equal to (5/6 - cos(1/4)) sqrt(15)/2= 5.74 sq. units

Therefore, R has a surface area of about 5.74 square units.

Learn more about Surface area, here:

https://brainly.com/question/29298005

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An attempt to bridge environmental and social welfare concerns with economic interests is known as

growth pole theory
sustainable development
ecology
environmental impact
environmental protection

Answers

Answer: sustainable development

Explanation:

The term sustainable development is used to describe many efforts to join environmental and social welfare concerns with economic interests.

Answer:

sustainable development

Explanation:

i took the test hope this helps

What is the answer to this math problem with full work advanced geometry pls

Answers

Answer:

x = 8

Explanation:

The diagram shows perpendicular bisector, FH of chord GJ, which divides chord GJ into segments EG and EJ.

According to the perpendicular bisector of chord theorem, chord GJ is divided into two equal parts by the perpendicular bisector.

Therefore,

EG = EJ

Substitute

x = 8

Help me study give me ideas to study!

Answers

Tips:
Make a schedule
Test yourself after your study
Studying with friends can help
Give your self breaks in between your studying
First start by creating to do list
Do not add many things there at the beginning
Add your fav activity too ( drawing, playing games) to motivate yourself
Watch ted talk to be open minded person
And watch videos about your topics
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