Atoms that have lost or gained one or more electrons are called ________
A) electrons
B) ions
C) molecules
D) neutrons
E) protons
B
Environmental & Atmospheric Sciences
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The complementary color of blue is
A. yellow. B. cyan. C. red. D. green.
Environmental & Atmospheric Sciences
The amount of energy given to each coulomb of charge flowing through a 12-V battery is
A. 12 A. B. 12 V. C. 12 J. D. all of the above
Environmental & Atmospheric Sciences
Which phase of the third agricultural revolution affected agricultural outputs rather than inputs?
A) food manufacturing B) chemical farming C) mechanization D) surplus production
Environmental & Atmospheric Sciences
Which of the following is used to characterize a material as either a neurotransmitter or a hormone?
A) its chemical composition B) its physiological behavior C) both a and b D) either a or b
Environmental & Atmospheric Sciences