A small thunderstorm cloud blowing dust at the ground could warn ...

[imanialler]

A small thunderstorm cloud blowing dust at the ground could warn of a severe hazard to aircraft. Why?
 A) This could be the first indication of a tornado.
  B) This indicates that it is likely that hail will soon begin to fall.
  C) This could indicate an intense downdraft or microburst.
  D) The airplane could be struck by lightning.

Question 2

Particles with diameters less than one micrometer can remain suspended in the atmosphere for several weeks.
  Indicate whether the statement is true or false

[IAPPLET]

Answer to Question 1

C

Answer to Question 2

True

[imanialler]

Excellent

[alvinum]

Thanks for the timely response, appreciate it