Heated air moves from baseboard heaters to the rest of the room in a process called

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

Why is retrograde motion an apparent motion

If it is an isoelectronic series select true, if not select false. o2-, s2-, se2-, te2- na+, k+, rb+, cs+ n3-, p3-, as3-, sb3- ag, cd+, sn3+, sb4+ f-, cl-, br-, i- f-, ne, na+, mg2+ s2-, s, s6+