Wind speeds increase higher up from the earth's surface because
a. the atmosphere is composed of heavier molecules at lower atmospheric levels.
b. the wind is augmented by the solar wind.
c. friction from landscape features doesn't slow them down.
d. oxygen levels are decreased, making air movement quicker.

Which of the following is not one of the seven points from the pre-start checklist recommended by the nsc

Motorcyclists may have to suddenly change direction when encountering a. potholes and reflective markers b. yellow lights c. pavement seams and railroad crossings d. strong winds

Two technicians are discussing oil changes. technician a says that waste oil and old filters need to be disposed of according to the law. technician b says that old filters can be returned to the parts department for a core value. which technician is correct?           a. technician a only   b. both technicians a and b   c. technician b only   d. neither technician a nor b