If the density of an object is less than the density of water, what will the object do ?

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.

In order from largest to smallest what are earths five main oceans

What is the border between layers a through f and layer g called?