___variation occurs when there are distinct groups and a set if possibilities A. genetic
B. continuous
C. discontinuous
D. biological

Texas has an impending storm, and california is experiencing a water crisis. match the technologies with the state that can use them to reduce the effects eddies natural hazards. texas is the storm cellar and the wood that is crisscrossed. california is the dam and the storage tanks

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above

Energy stored in the bonds that hold together the atoms and molecules of all substances is called a. kinetic energy. b. electrical energy. c. mechanical energy. d. chemical energy.