The particles of minerals or other rocks that make up a rock or called

All of the following were pre-columbian civilizations in latin america, except

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.

Why slip off slopes are found on the inside of meanders? why river cliffs are found on the outside of meanders?