Diseases of the heart and blood vessels are the leading cause of death in the united states.

a. true

b. false

Which parameters characterize an air mass that develops over an equatorial ocean? a) humid and cold b) warm and dry c) humid and warm d) dry and cold e) extremely unstable

If you use hot water, what will happen that will inactivate the yeast? (Hint this has to do with what will happen to the enzyme that catalyzes the reaction - NOT that they hot water kills the yeast.)

What is the most likely reason that horses and mountain goats have hooves?

Read the scenario below and choose the best possible answer:There are a variety of types of Galapagos Finches. Each type of finch has a different type of beak.

Which of these is a rhetorical question? a. how long do fir trees live? b. are all trees evergreens? c. do trees grow in the forest? d. what is our state tree?

How could research on how genes control traits in orchids benefit our understanding of the human genome?

At carrying capacity, the number of organisms being born equals the number of organisms

Which of the following organisms are considered to be plant-like protists? A. bacteria B. algae C. plasmodia D. paramecia

What connects neurons? A). dendrites B). axons C). neurotransmitters D). synaptic gaps

Which Organism Appeared On Earth First? A) Gastropods B) Horn Corals C) Branchiopods D) Crinoids