Questions by Luis Fernando Alves

Questions by Luis Fernando Alves

In a centrally planned economy, the three key economic questions are answered by the _____. A. marketplace alone B. marketplace with some government involvement C. central government with input from industry

asked May 12, 2018

2 answers

1 vote

68.6k views

What happens to the density of a population due to mortality and emigration? a. individuals are simultaneously added and removed from the population. b. individuals are removed from the population. c.

asked May 26, 2017

2 answers

0 votes

184k views

How much of the worlds water is saltwater? A. 97.5%. b. 50% C.25% D. 2.5%

asked Jan 6, 2017

2 answers

2 votes

46.9k views

What is the main purpose of controlled variables in an experiment?

asked Sep 28, 2016

2 answers

2 votes

213k views

What is the significance of Polaris the North Star

asked Feb 17, 2016

1 answer

3 votes

192k views

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