Which statement is a scientific theory? The acceleration of an object increases as the force on an object increases.
All matter is made up of particles, called atoms, that are constantly moving.
A ray of light reflects off of a mirror at the same angle that it hits the mirror.
The total amount of mass present does not change during a chemical reaction.

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.