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What did ancient astronomers think areas of the moon called mares might be? mountains seas craters terrae
answered
Jul 7, 2020
Chemistry
middle-school
3
votes
217k
views
200 g of ice at 0°C is dropped into a calorimeter of negligible heat capacity containing 350 g of water at 20°C. What is the temperature of the system when it reaches equilibrium? The latent heat of fusion
answered
Jun 11, 2020
Chemistry
college
3
votes
56.4k
views
Synthetic plastics are made by linking many simple carbon molecules together to form much larger molecules. This process is called A. polymerization. B. cyclization. C. thermosetting. D. functionalization.
answered
Feb 5, 2020
Physics
middle-school
7
votes
224k
views
What type of relationship do fungi have with plants? A. commensalism B. Mutualism
answered
Jan 2, 2020
Biology
middle-school
4
votes
170k
views
Which is the correct order of primary succession? A. lichens and mosses, pine and spruce, small herbs and shrubs, fir and birch B. lichens and mosses, fir and birch, small herbs and shrubs, pine and spruce
answered
Dec 24, 2019
Biology
college
3
votes
186k
views
When was the first Nuremberg law passed?
answered
Dec 12, 2019
History
college
5
votes
49.5k
views
What is the area of a square with side lengths of 9 feet? 81 ft 81 ft2 36 ft2 36 f
answered
Nov 9, 2019
Mathematics
middle-school
6
votes
69.7k
views
What percentage of a radioactive species would be found as daughter material after seven half–lives?
answered
Aug 12, 2019
Chemistry
college
4
votes
189k
views
GIVING 20PTS According to restorative theory, sleep repairs and restores the body's __________. A. energy B. thinking C. equilibrium D. heart
answered
Apr 17, 2019
Mathematics
middle-school
3
votes
150k
views
Who Was The 44Th President?
answered
Dec 3, 2018
English
middle-school
1
vote
75.3k
views
When did the Persian's begin and ended?
answered
Jul 15, 2018
History
high-school
5
votes
97.2k
views
The bohr atom the hydrogen atom consists of one electron and one proton. in the bohr model of the hydrogen atom, the electron orbits the proton in a circular orbit of radius 0.529×10−10m.
answered
Jul 1, 2018
Chemistry
high-school
1
vote
9.9k
views
What is the change in the internal energy of a system that does 400 joules of work and absorbs 700 joules of heat?
answered
Apr 29, 2018
Physics
high-school
6
votes
208k
views
Is 3/12 equivalent to 1/4?
answered
Jul 30, 2017
Mathematics
middle-school
2
votes
197k
views
Which civilization's writing has never been decoded? Egyptian Harappan Sumerian Babylonian
answered
May 15, 2017
History
high-school
5
votes
6.7k
views
A container holds 740 milliliters of water. How many liters is this?
answered
Mar 6, 2017
Mathematics
high-school
4
votes
78.0k
views
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