Which is most likely to be part of an ionic bond

a. an atom with no valence electron

b. an atom with one valence electron

c. an atom with two valence electrons

d. an atom with three valence electrons.

Which of the following about abiotic factors in ecosystems is true? a. Abiotic factors in healthy ecosystems are not in balance. b. Abiotic factors are located in the soil of ecosystems only. c. Abiotic factors are part of a dynamic system. d.

Why would an animal cell burst if surrounded by fresh water?

Why do researchers believe that mammals evolved such large brains, such as that of hadrocodium?

Where do lipids and carbohydrates store usable energy?

How does hydrogen cycle through the environment and organisms?

How did bipedalism in humans support the evolution of our skulls?

Which organelle (s) would be active in liver cells that are detoxifying alcohol?

Which type of lava flows easily? a) silica-rich b) composite c) basaltic d) smooth

What atoms are found in proteins and what atoms are found in nucleic acids

Which of the following explains why cells differentiate? more cell types are needed to maintain homeostasis more cell types are needed to perform meiosis more cell types are needed to perform specialized functions in multicellular organisms more