Most of the matter in the universe is dark matter
Indicate whether the statement is true or false
TRUE
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The specific heat of ice is 2.100 kJ/kg ?C, the heat of fusion for ice at 0 src="https://sciemce.com/media/4/b9ad0217031f6f632.png" class="w-image" />?
is 333.7 kJ/kg, the specific heat of water 4.186 kJ/kg 
the heat of vaporization of water at 100.0
is 2,256 kJ/kg, and the specific heat of steam is 2.020 kJ/kg 
What is the final equilibrium temperature when 20.00 grams of ice at -15.0
is mixed with 5.000 grams of steam at 120.0
A. 59.92
B. 56.03
C. 52.76
D. 49.34
E. 45.67
If photosynthesis were to disappear on Earth,
a. the atmosphere would become less dense. b. oxygen would disappear from the atmosphere. c. the atmosphere would become hotter. d. nitrogen would disappear from the atmosphere. e. the amount of water vapor in the atmosphere would decrease.
Addition by 1. Components: Vector 
= 4.00 m points eastward and vector 
= 3.00 m points southward. The resultant vector 
+ 
is given by
A. 5.00 m at an angle of 36.9° south of east. B. 5.00 m at an angle of 53.1° south of east. C. 5.00 m at an angle of 71.6° south of east. D. 5.00 m at an angle of 18.4° south of east. E. 5.00 m at an angle of 26.6° south of east.
If ? = 40°, ? = 60°, and M = 4.0 kg, determine the tension in string 1
a.
15 N
b.
22 N
c.
17 N
d.
20 N
e.
36 N