2. A P-wave takes 8 minutes and 20 seconds to travel from the epicenter of an earthquake
to a seismic station. Approximately how
long will an S-wave take to travel from the
epicenter of the same earthquake to this
seismic station?
(1) 6 min 40 sec
(2) 9 min 40 sec
(3) 15 min 00 sec
(4) 19 min 00 sec
2
M

What is the 77 element on the periodtic table

Afamily has a y-linked disease that affects the father. what is the chance of a male offspring inheriting the same disease? oa. 100% ob. 50% oc. 25% d. 0%

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used