What are some natural controls that keep an ecosystem community in balance? Select all that apply.

food competition

mate competition

industrial waste dumping

competition for shelter

deforestation

consumption by predator species

Materials have unique properties because each one is made up of different kinds of which particle? A. Protons B. Quarks C. Electrons D. Atoms

What is the bottom of the refrigerator called?

What is Newton 3rd law

Dad is driving the family station wagon to grandma's house when he gets tired and pulls over in a roadside rest stop to take a nap.

A train travels 79 kilometers in 4 hours and then 65 kilometers in 3 hours what is it average speed

Which practice fits the definition of conservation? using more of a mineral resource than needed not using a necessary mineral resource at all mining a mineral without regard to the surface soil and vegetation above it recycling cans that contain a

The word family implies that the elements in a family have like properties. What property do the elements of the noble gas family all share?

What is the energy of an object because of its potential and kinetic energies? A.) chemical energy B.) electrical energy C.) nuclear energy D.) mechanical energy

If the volume of a hot air balloon remains constant, what happens as the temperature of the air inside the balloon increases?

What is the correct formula for electrical power? l