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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