Explain. mai says that ocean water is a solution. tom says that it is a suspension. can they both be correct? .

What is thought to have caused the mass extinction at the end of the cretaceous period?

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?