The ph scale runs from 0 to 14, and is an indication of how acidic or basic a solution is. a ph close to zero indicates a(n) solution, and a ph near 14 indicates a(n) solution.
a) acidic; basic
b) basic; acidic
c) neutral; basic
d) acidic; neutral

In what direction does the medium move relative to the direction of the wave? explain.

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?