Answer: Ecosystem
Explained: There's a minimum word count I'm filling up, don't mind me.
Compared to the Earth, the Moon has ...
-- about 27% as much radius
-- about 7.4% as much surface area
-- about 2% as much volume
-- about 1.2% as much mass
-- about 16.5% as much surface gravity
Answer:
A
Explanation:
Which statement is true about rubber, a polymeric material?
A.) The normal rubber band will break when the strain is greater than 1. Because according to the srain formula,
Strain = extension / original length.
For strain to be greater than one, the extension must have been greater than the original length.
B.) A normal rubber band breaks when the strain is less than 10%. This is not true
C.When a small amount of sulfur is added, to provide cross-links between molecules in rubber, the elastic limit is reduced. Surfur increases the elastic limit
D.When a small amount of sulfur is added, to provide cross-links between molecules in rubber, the ultimate tensile stress is reduced. This is not true. Surfur increases the tensile stress of the elastic material
The correct answer is therefore A
Answer choice C is a benefit of coal; all the others are negatives.
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