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Answers by Rebeca

Answers by Rebeca
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A train approaching a crossing changes speed from 25 m/s to 10 m/s in 240 s. How can the train's acceleration be described?
answered Aug 14, 2018
3 votes
198k views
Which of the following is generally not an effect of having high rates of infectious disease (like malaria) within a population?
answered Apr 28, 2018
7 votes
128k views
What did the United States strive to maintain in European conflicts?
answered Feb 9, 2018
4 votes
175k views
Amino acids are the building blocks of? 1) Proteins 2) nucleic acids 3) carbohydrates 4) fats
answered Jan 7, 2018
4 votes
135k views
What happens in an oxidation half-reaction?
answered Sep 11, 2017
2 votes
38.4k views
andres has 10 more goldfish than todd. Together,they have 50 goldfish.How many goldfish does each boy have?
answered Feb 25, 2017
3 votes
60.1k views
12.5% of what number is 24? Please help and show work
answered Dec 9, 2015
3 votes
185k views
Which of the following best explains why the diversity of organisms decreases as you move from shallow seas to deep oceans? (2 points) The levels of oxygen in the deep ocean are too high for many organisms
answered Aug 16, 2015
3 votes
161k views
What is 52x3.14/47^2
answered May 12, 2015
0 votes
19.8k views
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