Which theory changed over time with the discovery of new evidence? a) theory of conservation of air
b) theory of heat transference
c) theory of mass dispersal
d) theory of plate tectonics

Aneuron is stimulated with an electric pulse. the action potential is detected at a point 3.70 cm down the axon 0.0052 s later.when the action potential is detected 7.20 cm from the point of stimulation, the time required is 0.0063 s. what is the speed of the electric pulse along the axon? (why are two measurements needed instead of only one? )

Why is it important to study each branch of earth science?

Me with biology endocrine system crossword also image left i need with hw