Write down one or two places you'd like to investigate for the presence of bacteria in your
classroom or elsewhere in your school.

An adult who follows a 2000-kcal healthy u.s.-style eating pattern should consume ounce-equivalents from the protein foods group per day.

Homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons. because h. heidelbergensis was not a gatherer/forager, but ate a varied diet including meat and fish, we would expect to see what anatomical changes?

What is the difference between hypothesis, theories, laws, and observations?