Which sentence does not contain any errors in comma usage?
a. in a pool or at a beach, lifeguards are often on duty.
b. in a pool or at a beach lifeguards are often on duty.
c. in a pool, or, at a beach, lifeguards are often on duty.
d. in a pool, or at a beach, lifeguards are often on duty.

it means the homeless needs more

explanation:

the homeless has no food water homes ect.

in night, why are wiesel and his father evacuated from the auschwitz concentration camp? a massive escape makes the nazis question the security of auschwitz. they are assigned to work as laborers in a factory at another camp, buna. hitler has ordered that all remaining jews be relocated within german borders. the german army needs the camp guards to go to the battle front for a last-chance defense.