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Explain why and how theories may be changed or replaced over time.
answered
May 12, 2019
Chemistry
middle-school
3
votes
129k
views
how to solve, A reservoir is 3 1/4 miles wide. Tony sails 4/5 the width of the reservoir. About how far did Tony sail?
answered
Dec 18, 2018
Mathematics
college
4
votes
134k
views
Which of the following recyclable objects takes the least amount of time to decompose? plastic grocery bag plastic water bottle paper milk carton
answered
Dec 12, 2018
Biology
high-school
2
votes
122k
views
How did a reliance on trade for prosperity affect the development of African kingdoms?
answered
Oct 24, 2018
Social Studies
high-school
1
vote
87.8k
views
6. Which of the following transitional expressions would be considered a logical connection? A. For example B. Frequently C. Briefly D. In the distance I know D is wrong: I read this in my book and thought
answered
Aug 17, 2018
English
college
4
votes
190k
views
The Punnett square above shows a cross between two sweet pea plants in Mendel's greenhouse. Both parents have purple flowers (Pp). Which statement describes the offspring expected from this cross? A) 50%
answered
Jun 12, 2018
Biology
high-school
4
votes
8.4k
views
An enzyme is a protein that_____ transports nutrients across a membrane increases the rate of a chemical reaction receives and sends signals across a cell provides structure for the cell’s organelles
answered
Feb 3, 2018
Biology
college
4
votes
44.6k
views
In 1859, two dozen rabbits were introduced to Australia. By 1953, there were an estimated one billion rabbits in Australia. The addition of the rabbits to this established ecosystem caused many problems,
answered
Nov 10, 2017
Biology
high-school
1
vote
92.9k
views
Tens of thousands of people were killed in _____ as its longtime leader attempted to stay in power.
answered
Sep 10, 2017
History
high-school
4
votes
183k
views
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