Since 1960, water use in the United States has more than doubled and the demand for water is expected to continue to rise. The greatest use of surface water in the United States comes from

Which of these is least likely to be an adaption? a. a mouse digs a hole to hide from predators. b. a snake bites its prey to deliver it deadly venom. c.a jackrabbit has large ears that it release body heat. d.a parrot learns to say its owner's name.

The primary agent of contact metamorphism is

The “twelve apostles” are in which national park?