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2 years ago

What were the social impacts of the green revolution?

Advanced Placement (AP)

1 answer:

Lyrx [107]2 years ago

7 0

Answer:

lifted large numbers of poor people out of poverty

helped many nonpoor people avoid the poverty

hunger they would have experienced had the Green Revolution not occurred.

Explanation:

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What happens to a molecule of liquid water when hydrogen bonds between atoms are broken?

Vesna [10]

Answer : Option A) The liquid turns to a gas.

Explanation : When the hydrogen bonds between the molecule of water breaks, it produces hydrogen and oxygen gases. As the intermolecular forces of attraction between the molecule is broken, it gets enlarged and therefore the phase changes into gas. Breaking of intermolecular forces of attraction between the atoms of the molecule results into phase transition.

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3 years ago

Read 2 more answers

A ______________ committee in either chamber is one that specializes in certain policy areas and exists from one congressional s

Arisa [49]

A select committee in either chamber is one that specializes in certain policy areas and exists from one congressional session to the next.

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3 years ago

Which of the following best characterizes the passage as a whole? Unit 1 AP classroom

vampirchik [111]

Answer:

Explanation:

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3 years ago

Surface Area of a can is 517.8 cm^2. Maximize the volume of this can using the measured surface area.

mafiozo [28]

Answer:

$r = 5.24$ --- Radius

$h = 10.48$ --- Height

Explanation:

Given

Object: Can (Cylinder)

$Surface\ Area = 517.8cm^2$

Required

Maximize the volume

The surface area is:

$S.A = 2\pi r^2 + 2\pi rh$

Substitute 517.8 for S.A

$517.8 = 2\pi r^2 + 2\pi rh$

Divide through by 2

$258.9 = \pi r^2 + \pi rh$

Factorize:

$258.9 = \pi r(r + h)$

Divide through by $\pi r$

$\frac{258.9}{\pi r} = r + h$

Make h the subject

$h = \frac{258.9}{\pi r} - r$ --- (1)

Volume (V) is calculated as:

$V = \pi r^2h$

Substitute (1) for h

$V = \pi r^2(\frac{258.9}{\pi r} - r)$

Open Bracket

$V = 258.9r - \pi r^3$

Differentiate V

$V' = 258.9 - 3\pi r^2$

Set V' to 0

$0 = 258.9 - 3\pi r^2$

Collect Like Terms

$3\pi r^2 = 258.9$

Divide through by 3

$\pi r^2 = 86.3$

Divide through by $\pi$

$r^2 = \frac{86.3}{\pi}$

$r^2 = \frac{86.3*7}{22}$

$r^2 = \frac{604.1}{22}$

Take square root of both sides

$r = \sqrt{\frac{604.1}{22}$

$r = 5.24$

Recall that:

$h = \frac{258.9}{\pi r} - r$

Substitute 5.24 for r

$h = \frac{258.9}{\pi * 5.24} - 5.24$

$h = \frac{258.9*7}{22 * 5.24} - 5.24$

$h = \frac{1812.3}{115.28} - 5.24$

$h = 15.72 - 5.24$

$h = 10.48$

Hence, the dimension that maximize the volume is:

$r = 5.24$ --- Radius

$h = 10.48$ --- Height

7 0

3 years ago

Do you believe that cutting or reducing the amount of pe in schools in favor of core academic subjects is a good idea? why or wh

finlep [7]

This questions seems to be a question where you are required to mention more than one point. The question has two options of course, I'll tell you my personal answer to the question in broken up points.

I disagree with this statement because I believe that Physical Education (PE) is a very important subject for each individual.
It has been proven that any sort of physical education improves the activity of your brain, if an individual's level of brain activity is higher, it means he learns more from other education and performs better on his tests.
Physical Education is also a practical lesson that relieves stress off students from all the other core subjects that do not that involve as much practical activity.
Physical Education makes you healthier, the healthier you are the better your life style and (technically) life time will be.
Physical Education is also now proven to wake up students, this means students are less lazy and goes back to one of my previous points mentioning a students activity and performance in a lesson or a test.

I hope this helped, any other questions let me know. :3

4 0

3 years ago