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The table shows samples of contaminated soil from four different sites. In the sample from Site 3, which

contaminant is present in the greatest concentration?

A Cadmium

B Copper

C Lead

D Zinc

11 p=.

The graph shows the interior temperature of a box

with a heat lamp shining on its outside walls. The

best estimate of the interior temperature after 5

hours is —

A 50◦C

B 55◦C

C 60◦C

D 65◦C