_________ glass can be distinguished from other glass by heating the glass fragments.
A. Tempered
B. Safety
C. Green
D. Ballistic
Answer: A. Tempered
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Upon Darwin's return from his voyage on the H.M.S Beagle, he spent time breeding ____
a. dogs b. pigeons c. barnacles d. goldfish e. peas
In which phase of mitosis do chromosomes arrive at opposite sides of the cell?
a. anaphase b. prophase c. metaphase d. telophase e. interphase
Koch's postulates were used to demonstrate the relationship between
A) HIV and AIDS. B) Mycobacterium leprae and leprosy. C) liver flukes and liver cancer. D) Haemophilus influenzae and Hib meningitis. E) Haemophilus influenzae and the flu.
Because a plant can grow indefinitely at the tips of the roots and shoots, we say that a plant's growth is:
A) limitless. B) indeterminate. C) determinate. D) annualized.