N any ecosystem, the size of a population A. always stays the same. B. only depends on the population's reproductive rate. C. only depends on the amount of resources available. D. may change over time.

Trees are part of the biosphere. They need water to survive. They take in water from the soil through their roots and release water vapor into the air from their leaves. Explain how this shows an interaction of all four of Earth's spheres.

Speed of a car that travels 180 km in 3.00 hrs

A circuit featuring multiple paths through which current can flow is best classified into which category? a series circuit an open circuit a parallel circuit a short circuit

Which waves can travel only through solids?

What is the sand from the beach made

Why do we use average force while solving momentum problems? How is net force related to the momentum of the object?

If you had a positive 8 score on the sit-an-reach test you

65 million years ago there was a mass extinction that is best known for killing the dinosaurs. There was also a large deposit of dust that contained substances only found in asteroids.

Near which location in New York State would a geologist have the greatest chance of finding dinosaur footprints in the surface bedrock?

E=mc^2 solve for c E/m m/E sqrt (E/m) sqrt (m/E) E - m sqrt (E-m)