Answer:
His map of the ocean floor did not support his theory
Explanation:
- Alfred Wegner was a great scientist
- He observed the plate tectonics of earth and described it in a theory.
- It was dismissed after viewing his ocean floor
D. powder residues.
the police and forensic chemists usually perform a qualitative test called GPR or gun powder residue. the residue sticks to the skin.
Chromium , silver, zinc...
