All equipment must be thoroughly clean at the conclusion of the lab and to assigned area.

ANSWER:

All equipment must be thoroughly cleaned and returned to the assigned area so that the lab looks neat and clean.

EXPLANATION:

Once the experiments have been done, all equipment must be washed and kept back in the proper cabinets or locations so that it can be easily found. It is also essential to ensure that any equipment that is broken is disposed and reported about. Those experimenting must never leave chemicals and reagents out and must put these back in proper containers. After an experiment, the lab must must look clutter free.

The correct answer would be they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur all year long.

Is this a question? i'm confused