Dissolved food enters the bloodstream to feed body cells through the___of the small intestine.

A. Alveoli

B. Bronchia

C. Cilia

D. Villi

Which best describes what is occurring in the reaction?

The foundation for biological evolution or descent through modification is

When heating food in the microwave, it must reach a temperature of

Natural resources Select one: a. are inputs provided by nature. b. include land, rivers, and mineral deposits. c. take two forms: renewable and nonrenewable. d. All of the above are correct.

How many types of nucleotides are present in DNA

Did mount Vesuvius start under water

Which of the following refers to the uptake of naked DNA from the surrounding environment? conjugation generalized transduction specialized transduction transformation

What is the life span of a butterfly?

Three examples of bacteria billions of years ago

Describe how iron turns into a brownish-red powder. Name the reactants and products that are involved.