Isotopes of the same element have ____
a. different numbers of protons, but the same number of neutrons
b. the same number of electrons, but different numbers of neutrons
c. different numbers of neutrons, but the same number of protons
d. different numbers of electrons, but the same number of neutrons
e. different numbers of protons and neutrons
c
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The ____ price that we pay for something does not usually include the ____ costs of harm to the environment and human health associated with its production.
A. tradable; flat B. market; external C. indirect; direct D. external; market E. green; excessive
A population of beetles in which some individuals are blue and some individuals are green evolves by chance because more alleles of one color are transmitted to the next generation than alleles of the other color. This mechanism of evolution is known as
A. natural selection. B. mutation pressure. C. genetic drift. D. gene flow.
Cycads evolved during the Triassic
Indicate whether the statement is true or false
Explain why there would be no volcanoes on Earth without convection
What will be an ideal response?