Which of the following situations correctly illustrates the all-or-none principle? ut of
Select one:
a. A greater voltage change and a smaller voltage change will result in the same action potential as long as the threshold
potential has been reached.
b. A faster impulse can be generated with a voltage change that is greater than the threshold potential
c. A stronger impulse can be generated by increasing the number of open voltage-gated sodium channels during depolarization
d. A smaller voltage change will result in a smaller nerve impulse.

Melissa lives in a town called greendale. she discovers that when she lights a match and holds it near her kitchen faucet, the little flame grows into a larger fire. melissa is surprised because she thought the water would extinguish the flame rather than ignite it further. her mother tells her that the water might be contaminated with dissolved methane, a primary component in natural gas. melissa investigates the matter and finds that cases of methane contamination started shortly after a company began fracking for natural gas in the area. based on this information, which three statements are plausible consequences of fracking in greendale?

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen