Questions by MFR

Questions by MFR

why does an advantageous trait increase in a population over time? key terms: variation, population, gene pool, fitness, relative frequency.

asked Jun 13, 2020

1 answer

2 votes

4.1k views

Which best explains heating by convection? a) Air molecules touch the warm ground, heating them up. b) Warm air rises and takes heat with it; eventually it cools and sinks c) Sunlight travels through space

asked Feb 23, 2020

1 answer

3 votes

203k views

Solve the system of equations: -5x+y-4z=60 2x+4y+3z=-12 6x-3y-2x=-52

asked Feb 1, 2020

1 answer

2 votes

122k views

You roll a single die. if the result is a 1 or a 2 you win $10; otherwise, you lose $4. find the expected value. -$6.00 -$0.67 -$5.00 -$0.50

asked Oct 21, 2019

1 answer

2 votes

118k views

Select the correct answer. What is expressed as a percent? A. 10% B. 20% C. 30% D. 50%

asked Jun 2, 2019

1 answer

3 votes

22.0k views

Brian says that when you add or subtract fractions with the same denominator, you can add or subtract the numerators and keep the same denominator. Is Brian correct? Explain.

asked May 3, 2019

1 answer

0 votes

42.8k views

If a researcher conducts a study to compare the effects of two treatments to reduce anxiety, treatment is a(n) _____ variable.

asked Apr 17, 2019

1 answer

1 vote

104k views

Pls answer this just type in the order from least to greatest

asked Jan 5, 2019

2 answers

1 vote

173k views

List at least three characteristics of society before the Renaissance.

asked Aug 11, 2018

2 answers

4 votes

213k views

The appointment of __________ as secretary of the interior was controversial, particularly because of his sympathy to the sagebrush rebellion.

asked May 23, 2018

1 answer

1 vote

174k views

Jordan loaned taylor $1,200 on march 15, 2009. taylor returned $1,260 on march 14, 2010. inflation was 2% over the 1-year period. what is the real interest rate that taylor paid? a.2% b.3% c.5% d.7%

asked Feb 25, 2018

1 answer

1 vote

108k views

The billiard ball model was working model of the atom until Thomson discovered the

asked Dec 22, 2017

1 answer

0 votes

216k views

Choose the correct verb to complete the sentence. ellos no __________ las palabras en clase.

asked Aug 8, 2017

2 answers

5 votes

150k views

What information, neccessary to the quest, is revealed in Rivendell in the chapter "A Short Rest"? The Hobbit

asked Mar 18, 2017

1 answer

1 vote

61.6k views

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