Why might a scientist use a model to study plate tectonics and the rock cycle?

Which statement best describes an activity that will contribute to the maintenance of homeostasis in an organism? 1. A shark swims toward a high polluted region of the ocean. 2. A desert rattlesnake enters an underground burrow on a hot summer day.

What is it called when you have a small particles of RNA and protein?

What type of energy is involved when a river moves sediment and erodes its banks? Select one: a. Kinetic energy b. Potential energy c. Chemical energy d. Gravitational energy

True or false Mammals use trees for both food and shelter.

Where do the semen cells come from

How are centipedes adapted for a predatory way of life?

A small, dense planet made of rocky and metallic materials are called

What are some sources of oxygen

A longshore current flowing southwards along a coast will primarily transport sediments

How much does an elephant weigh?