Athermometer can be used
a. to find out if a person has a fever
b. to you decide what to wear
c. to find out if it will rain or snow
d. all of the above

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction

Why does a collision with an airbag cause less damage than a collision with a steering wheel

When you see distant streetlights through smog, they look dimmer and redder than they do normally. but when you see the same streetlights through fog or falling snow, they look dimmer but not redder. use your knowledge of the interstellar medium to discuss the relative sizes of the particles in smog, fog, and snowstorms compared to the wavelength of light.