(TUESDAY, 02/18)
The table shows the masses of four boxes and the net force that is exerted on each box.
Which box has the greatest acceleration?

(MONDAY, 02/17)
Which statement is true of the elements barium (Ba) and bromine (Br)?
(WEDNESDAY, 02/19)
The mineral malachite has the chemical formula Cu2CO3(OH)2. How many different elements make up malachite?
(THURSDAY, 02/20)
What season is it in the Northern Hemisphere in position Z?
