Which statement best describes how the atoms in a solid move

a. they vibrate slowly

b. they are completely still all the time

c. they flow freely around each other

The number of organisms in a food pyramid decrease as the trophic level A) decreases. B) increases. C) stays constant. D) changes unpredictably.

What part of the plant is the brussels sprouts?

Which situation would be most likely to cause a DNA mutation?

Define oesophagus and state the functions of which it can do

A 5-year-old female takes a hike through the woods during a school field trip. Upon returning home, she hugs her father, and he later develops poison ivy. Which of the following immune reactions is he experiencing? a. IgE-mediated b.

During action potential propagation in an unmyelinated axon, why doesn't the action potential suddenly "double back" and start propagating in the opposite direction?

How has our understanding of membrane permeability changed since the discovery of aquaporins?

If you compare the climates of a mountainous area and a lowland area that are located at the same latitude what would you generally find"

Which antibiotic does not inhibit cell wall synthesis?

Carbon dioxide and energy (atp) are two chemical products of cellular respiration. a. true b. false