What molecules are closely related to lipids? explain your answer.
a) sugars
b) long chains of carbon and hydrogen
c) amino acids
d) nucleotides

An organism has the following traits multicellular cant photosynthesize has a skull. wht kingdom does this organism most likely belong too?

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal

What is the correct answer for the process of water eroding soil? rills, sheet erosion, gullies sheet erosion, rill, gullies gullies, rills, sheet erosion sheet erosion, gullies, rills