What substance in the mouth contains an enzyme that begins chemical digestion?

mucus

saliva

fiber

pepsin

One device used for electrical safety involves a metal strip that bends when it gets hot. This bending flips a switch which interrupts the current. What is this device called?

Select all that apply. Carbohydrates are found in foods that contain: starch protein amino acids fats sugar

Within the fish population, variations exist in color, size, gamete production, and swimming speed. a variation that would most likely be passed on to future generations of the species is

Which amino acids are the primary nitrogen donors for biosynthetic reactions in the cell?

What are the two main divisions of the nervous system

What would most likely interest an environmental scientist

Do you believe you have a personal responsibility to protect the environment

What happens to the total charge of the compound after the ions bond together?

How many atoms lined up side by side would equal the thickness of a book page?

If an ambulance hits someone on the road while transporting someone to a hospital, do they bring that person with them too?