I am inclined to say 1. core and mantle... but im not entirely sure...
sorry not much help at all!
A crevice is a narrow opening resulting from a split or a crack. <span />
Runner B took about 13.3 mins per mile while Runner A took about 15 mins per mile so runner be ran faster
Remember that a controlled variable is a variable that stays the same thoughout the experiment.
it wouldn't be a. because two different wires were used
the final length of the wax would be your dependent variable, so it wouldn't be c.
the thermal conductivity is the independent variable so it isn't d.
the original length of the wax was the same for both.
So B is your answer.
True. Lower temperature lead to slower soil formation
