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.

Determine the kinetic energy of a toy car with a mass 1.00 kg and a velocity of 2.00m/s

Grace rides her horse with a constant speed of 12kmh. How far can she travel in 90 minutes?

Do people use uranium for anything?

What is a sharp ridge separating two cirques

Will light pass through a pair of polaroids when the axes are aligned? when the axes are at right angles to each other? why?

At distances greater than 2 femtometers, the nuclear strong force is stronger than (select all that apply): gravity electromagnetic forces nuclear weak force none of the above

Identifying the Functions of Parts of the Ear Which part of the ear changes sound to a signal that the brain can understand? Which part of the ear carries the signal to the brain?

Which tool would a scientist use to find the mass of an object?

Who are the launched dog on moon A. mark B. lyca C. mcmc D. seul

The excerpt is from an article that Roberto read for science class called "Using the Scientific Method to Study Tomatoes." The student performed an experiment to test his hypothesis about sunlight and plant height using two plants.