7. Which term refers to the “inner layer of the skin?” *
1 point
cancer
exercise
dermis
epidermis
8. What type of aircraft has two supporting surfaces? *
1 point
airplane
barometer
biplane
comet
9. What does a barometer measure? *
1 point
air pressure
temperature
humidity
wind direction
10. Which of the following tends to move whirling bodies away from the center? *
1 point
gravity
centripetal
air pressure
centrifugal force
answer this question please!