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Please help 1. The first forms of life on Earth a. appeared about 10,000 years ago b. could easily maintain a stable internal environment c. were single-celled d. depended on the hypothalamus for thermoregulation.
answered
Mar 27, 2019
Biology
middle-school
6
votes
166k
views
Which of the following has the greatest amount of thermal energy? A. 1 L water at 98 °C B. 1 L water at 70 °C C. 250 mL water at 98 °C D. 250 mL water at 70 °C
answered
Jul 24, 2018
Chemistry
high-school
3
votes
118k
views
Can someone help me with this
answered
Apr 7, 2018
Mathematics
high-school
3
votes
227k
views
The area of the rectangle in this drawing is 65.13 square meters. The width of the rectangle is 3.9 meters. What’s the length? What’s the perimeter? (The opposite sides of a rectangle are equal in length.
answered
Jan 29, 2018
Mathematics
high-school
3
votes
6.9k
views
What was school like for an eighth-grader 100 years ago?
answered
Jan 26, 2018
History
middle-school
0
votes
194k
views
Divide (6m3 ��� 27m2 8m ��� 20) by (m ��� 5). what is the remainder?
answered
Aug 21, 2017
Mathematics
college
6
votes
125k
views
Byzantine art production ended with the conquest of constantinople in 1453. true or false
answered
Mar 4, 2017
Arts
high-school
3
votes
194k
views
What is the relationship between the threes in the number 9338
answered
Feb 14, 2017
Mathematics
middle-school
5
votes
150k
views
What value of x will satisfy the equation 0.2(x −2,700) = x?
answered
Apr 3, 2015
Mathematics
high-school
3
votes
193k
views
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