Questions by Tsafrir

Questions by Tsafrir

Electricity has a negative production externality because ______. a. a marginal external cost lowers the marginal benefit from consuming it b. the marginal private cost of producing it increases as more

asked Nov 16, 2020

1 answer

2 votes

28.2k views

The β-sheet is one of the most common secondary structures observed in protein structures. Which of the following statements is true for the sheets represented above? a. Sheet 1 is a representation of

asked Jun 19, 2020

1 answer

5 votes

40.7k views

Can anyone help me do this please ?

asked Apr 26, 2020

2 answers

1 vote

977 views

Which of the following best describes the purpose of black codes

asked Aug 8, 2019

1 answer

0 votes

207k views

A 120-meter-long ski lift carries skiers from a station at the foot of a slope to a second station 40m above. what is the ima of the lift?

asked Apr 12, 2019

2 answers

0 votes

200k views

The heliocentric and the geocentric models of the solar system include some central principles. One of these principles is that the speeds of the sun, moon, and stars are perfectly uniform and unchanging.

asked Dec 14, 2018

2 answers

0 votes

22.2k views

How would you find a parametric representation of the equation 2 x^(2) +16x-y+31=0

asked Apr 23, 2018

1 answer

3 votes

172k views

Why did germany sign a nonaggression pact with the soviet union in 1939?hitler wanted to prevent a two-front war.hitler wanted to make the soviet union part of germany.hitler wanted to make the soviet

asked Apr 17, 2018

2 answers

0 votes

5.0k views

eli enjoys the outdoor and likes the excitement of the team competition. which of these options should he try if he wanted to add a new moderate to vigorous activity to his fitness routine?

asked Feb 22, 2018

1 answer

5 votes

180k views

How do ultraviolet rays help your bones and teeth

asked Apr 11, 2017

2 answers

4 votes

219k views

what is the most appropriate closing for a business letter? a. your friend, b. sincerely, c. anxiously, d. take care,

asked Mar 13, 2017

1 answer

0 votes

132k views

Identify the type of clause or phrase in the sentence below. It is necessary to be aware of one's surroundings when living in such close proximity to the desert since wildlife like snakes and coyotes make

asked Apr 7, 2016

2 answers

1 vote

121k views

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