The crab was scuttling but strained when he moved, what was impeding him?\nOptions:\n- tide pool\n- beach sand\n- tidepools\n- current\n- cooking pot
Step-by-step reasoning process below:
beach sand
Beach sand is a loose granular material blanketing the beaches.

The crab was scuttling but strained when he moved, beach sand was impeding him.

.

Therefore, the answer is beach sand