Which part of the wave does the arrow point to? A. Rarefaction
B. Crest
C. Frequency
D. Trough

Help me ASAP please

If 10.0 ml of the solution on the right are withdrawn from the 100 ml beaker and diluted again in a similar manner, what is the new concentration? m nacl

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers