The graph shows tide heights from a location in Canada. Which statement is best supported by the data? Tide height varies only at high tide. The lowest high tides occurred on February 18, 2017. Low and high tides vary over the course of a month. High tides in February 2017 ranged from about 8 m to almost 14 m.

Apeak with a retention time of 407 s has a width at half-height (w1/2) of 7.6 s. a neighboring peak is eluted 17 s later with a w1/2 of 9.4 s. a compound that is known not to be retained was eluted in 2.5 s. the peaks are not baseline resolved. how many theoretical plates would be needed to achieve a resolution of 1.5?

Why are the trends and exceptions to the trends in ionization energy observed?

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.