Momentum and collision math assignment. can some me with questions 1 - 8. will mark brainliest and give 5 stars. need asap.

15 ! come and answer! a(n) disease is caused by a pathogen and can spread among organisms. a infectious b noninfectious c toxic d contaminated

The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation