Physics, 31.05.2021 14:00 nothingworksoutforme
How can farming cause global warming​
Answers: 3
Physics, 22.06.2019 11:00
The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.
Answers: 3
Physics, 22.06.2019 12:00
The sun’s mass is 2.0×10^ 30 kg, its radius is 7.0×10 5 km, and it has a rotational period of approximately 28 days. if the sun should collapse into a white dwarf of radius 3.5×10 3 km, what would its period be if no mass were ejected and a sphere of uniform density can model the sun both before and after?
Answers: 3
Physics, 23.06.2019 22:00
What statement describes the process of solar nuclear fusion? hydrogen atoms are fused into deuterium, then helium-3, then helium-4, each step giving off large amounts of energy. hydrogen molecules are fused together and become oxygen molecules, giving off large amounts of energy. helium molecules are fused together and become hydrogen molecules, giving off large amounts of energy. hydrogen atoms are fused into deuterium, then helium-4, then back into hydrogen, each step giving off large amounts of energy.
Answers: 2
Physics, 23.06.2019 23:30
Igot the answers for both but i want to make sure i got it correct
Answers: 3
How can farming cause global warming​...
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