Synthetic compounds that can be molded and hardened are called ______________
Fill in the blank(s) with correct word
plastics
You might also like to view...
The ___________of the product is the extent to which the product meets the performance criteria.
Fill in the blank(s) with the appropriate word(s).
A 20-kg sack of potatoes at the corner store weighs
A. 190 pounds. B. 150 pounds. C. 44 pounds. D. 9.9 pounds.
What evidence leads scientists to conclude that life was present on Earth within a billion years of its formation?
A) Such early existence of life is the only way to explain the variety of life-forms seen today. B) Fossil evidence of life dates back to this time. C) Studies of DNA indicate that life must have been present by that time.
Complex molecules in the interstellar medium are found
A) only around the supergiant stars like Betelgeuse that make their heavy atoms. B) uniformly throughout the disk of the Galaxy. C) primarily in the dense dust clouds. D) scattered evenly throughout the universe, a product of the Big Bang itself. E) on the surfaces of the coolest class K and M stars only.