Which of the following is true in general of all cations?
A) A cation has equal numbers of protons and electrons.
B) A cation has fewer protons than electrons.
C) A cation has more protons than electrons.
D) A cation has more protons than neutrons.
C
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A key factor in the ability of ecosystems to provide ecosystem services is ________
A) the presence of essential abiotic factors B) the presence of both renewable and nonrenewable resources C) a sustainable energy cycle D) the maintenance of a high level of diversity of species E) a steady rate of growth of the ecosystem
What is the most common type of atoms joined together in a process called nuclear fusion
A. hydrogen. B. carbon. C. oxygen. D. nitrogen.
Which of the following would have the greatest ecosystem diversity?
A. a lake B. a large island in the tropics that has snowcapped mountains C. a prairie D. the land an organic farmer uses to raise crops to feed his dairy cattle
Primary producers within rain forests rely on solar energy to produce a vast amount of biomass through photosynthesis.
Answer the following statement true (T) or false (F)