Weegy: Unlike ionic bonds, covalent bonds involve the sharing of electrons between atoms.
User: Unlike secondary succession, primary succession
A. has the challenge of occurring in areas where no community exists at all.
B. proceeds at a much faster rate.
C. leads to an increased number of different species over time.
D. occurs in an area where existing communities still exist.
Weegy: Unlike secondary succession, primary succession: has the challenge of occurring in areas where no community exists at all.
User: Which of the following is not an accurate description of chemical reactions?
A. The rates of chemical reactions can vary.
B. During chemical reactions, bonds can be broken or formed.
C. During chemical reactions, energy can be released or used up.
D. Chemical reactions that take in energy never need a source of energy to start
Weegy: Chemical reactions that take in energy never need a source of energy to start is not an accurate description of chemical reactions.
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