Questions by Domen

Questions by Domen

When a person breathes, the nose and mouth take in oxygen-rich air, and they expel oxygen-poor air. Which statement explains the change in oxygen concentration of the inspired air? A The oxygen concentration

asked Jan 24, 2021

1 answer

1 vote

217k views

Calculate the number of calories needed to increase the temperature of 50.0 g of copper metal from 21.0 degrees C to 75.0 degrees C. Given, the specific heat of copper is 0.382 cal/g x degrees C.

asked Sep 4, 2020

1 answer

4 votes

207k views

A river is flowing downstream at rate of 2 km/h. Murray can swim at a rate of 3 km/h. Murray jumps in and swims downstream for a certain distance then turns around and swims upstream back to the start.

asked Jul 19, 2020

1 answer

1 vote

114k views

Citrate produced in the mitochondria is exported to the cytosol by the citrate transporter. In the cytosol, citrate is converted to ____1_____. What enzyme is activated by increased levels of citrate?

asked Apr 13, 2020

1 answer

2 votes

6.9k views

I will give 100 points to whoever has the best answer 1. Seiji and Gavin both worked hard over the summer. Together they earned a total of $525. Gavin earned $25 more than Seiji. (a) Write a system of

asked Mar 21, 2020

1 answer

1 vote

62.5k views

Which of these countries would have been derogatorily called a banana republic in the imperialist era? A) Brazil B) Guatemala C) Kenya D) Nigeria

asked Aug 22, 2019

2 answers

0 votes

190k views

What is the measure,in degrees,of the shaded angle?

asked Jun 7, 2019

1 answer

3 votes

105k views

Factors such as literacy rate, average family income, infant mortality rate, and life expectancy are used most often to measure __________. A. development B. happiness C. quality of life D. Gross Domestic

asked May 17, 2019

2 answers

2 votes

106k views

What always occurs during a chemical reaction?

asked Apr 3, 2019

2 answers

3 votes

166k views

· Bay of Pigs · Fulgencio Batista · Mariel Boat Lift · economic boycott All of these terms deal with U.S. involvement in what country's affairs? A) Cuba B) Mexico C) Nicaragua D) Spain

asked Mar 23, 2019

1 answer

5 votes

65.2k views

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