what are the two geological features that appear to set earth apart from all the other terrestrial worlds?

Which objects allow humans to access groundwater? check all that apply.

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.

How many time zone are there on earth