Conferences should be handled:

A: According to written policies
B: Formally or informally, as preferred
C: By supervisors, not classroom teachers
D: As appropriate for the topic and concern
E: In a public classroom setting

I think its A- According to written policies

Explanation:

I think that because you should always follow workplace rules. hope it helps

D: As appropriate for the topic and concern

Explanation:

The main essence of any conference is to close a knowledge gap in the area or discipline or topic in which the conference is set out to educate like minds on.

yes by elenaboo   it could cause lots of stuff

the speed increase from w to x due to increased gravity force

the speed decreases from x to y due to decrease in gravity