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.

6. Given that white light contains all colors of the spectrum, what growth result would you expect under white light?

Describe the parts of a circuit and explain what each part does?

An object is dropped from a height of 100m, how long it it in the air

The scientific method is? (apex) A. The method used to review conclusions B. How scientists come up with ideas C. The procedure scientists use to gain knowledge about the physical universe D. The method used by scientists to measure quantities

Es As the skydiver falls to Earth, she experiences positive acceleration due to gravity inertia. friction air resistance

Electric forces can be either repulsive or attractive, whereas gravitational force is always:

Which describes why the magma moves in the direction of the arrows? A The magma is cooled and becomes more dense by the core moving it toward the crust. B The magma is heated and becomes more dense by the core moving it toward the crust.

Determine the difference in the speed of sound in hydrogen at 0 degrees Celsius and in air at 30 degrees Celsius. Also indicate if is it faster or slower

A small car and a large truck are driving down a highway, which statement would support the premise that the truck has more momentum? A) A large truck has a much larger mass. B) A car has a smaller engine than a truck.

Is there a dark side of the moon? (note: this question can be effectively answered either yes or no, so it is important to explain your reasoning?