The combining of one substance with another to yield a different product is the result of a (n):

A: physical change

B: chemical change

C: phase change

D: exothermic change

Which of the following consists of several billion stars and interstellar matter? Galaxy Solar system Planets Nebula

How much work is done by a forklift raising a 125 kg object a distance of 10 meters?

What landforms are most affected by weathering

A hair's form and structure is known as what?

For the following question neglect air resistance. Pay particular attention to whether the answer involves "absolute" quantities that have only magnitude (e. g., speed) or quantities that can have either sign (e. g., velocity).

How to calculate kinetic energy? (physics/physical science)

What's the difference between the offspring of an asexual organism and a sexual organism

The contamination that results from the spread of bacteria from meat to vegetables is called

A rock has a mass of 5 kg on the moon. What is the mass of the rock on the earth

A battery applies 45 volts to a circuit, while an ammeter reads 10 ma. later, the ammeter reading drops to 7 ma. assuming the resistance has not changed, the voltage must have