Answers by Mark McKelvy
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Answers by Mark McKelvy

Answers by Mark McKelvy
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As Secretary of State, John Quincy Adams negotiated a treaty with Great Britain for Oregon Country. made Manifest Destiny an official United States policy. convinced Great Britain that it could not control
answered Feb 25, 2021
3 votes
9.9k views
Two particles, one with charge − 4.61 μC and one with charge 6.07 μC, are 1.34 cm apart. What is the magnitude of the force that one particle exerts on the other?
answered Jan 24, 2021
1 vote
148k views
What is the pattern above called?​
answered Jan 20, 2021
4 votes
106k views
Describe the economic weakness in the Soviet Union.
answered Jan 14, 2021
3 votes
16.0k views
What is Tyndall effect? Describe an activity to show that a true solution does not show Tyndall effect
answered Nov 22, 2020
6 votes
75.9k views
Which statements accurately describe binary star systems check all that apply
answered Jul 13, 2020
4 votes
172k views
Ariel solved the equation below. 7.9÷n=0.79 what value of n makes the equation true.​
answered Mar 8, 2020
5 votes
2.6k views
Explain the needs that led to the spread of the steam engine in the 18th and 19th century Europe
answered Jan 23, 2020
3 votes
105k views
Maria described two layers of Earth's atmosphere. Layer A: Weather changes take place here Layer B: Location where weather balloons collect data Which statement is most likely true? Layer A is the thermosphere
answered Jul 25, 2019
3 votes
176k views
During a recent hurricane, 25 individuals of the same butterfly species were blown onto a barrier island in southern florida. during the first year, 80 caterpillars hatched from eggs laid by the butterflies
answered Jun 12, 2019
3 votes
61.4k views
Please help me out! I keep getting the wrong answer
answered Jan 22, 2019
4 votes
215k views
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