_______________ are fossilized remains of colonies of single-celled organisms that built up layer after layer of trapped sediments
Fill in the blank(s) with correct word
Stromatolites
Physics & Space Science
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The Moon's composition is similar to Earth's ________
Fill in the blank(s) with correct word
Physics & Space Science
The ratio of the tensile fracture strength of ceramics to the compressive fracture strength is typically:
(a) 0.1 to 0.2 (b) 5 to 10 (c) 1 (d) 0.5
Physics & Space Science
The excess deuterium in Venus' atmosphere indicates that Venus currently has substantial amounts of water on its surface
a. True b. False Indicate whether the statement is true or false
Physics & Space Science
A skater can spin faster by pulling her arms closer to her body or spin slower by spreading her arms out from her body. This is due to
A) the law of gravity. B) Newton's third law. C) conservation of momentum. D) conservation of angular momentum. E) conservation of energy.
Physics & Space Science