Answer:
a. Ban Freon, aerosol cans, and refrigerants
Explanation:
Yes, ratio can be expressed in percentage.
B. elliptical.
The planets move in elliptical orbits round the Sun.
Psychoanalysis considers introspection and examines the subconscious.
D)LT^-1 speed=distance(L)/time(T)——>L/T
