Answer:
When a household installs a dual flush toilet, the water is mainly conserved by limiting its consumption and thus eliminates the unnecessary loss of water. #2 is the answer
Explanation:
A dual flush toilet is similar to a standard toilet but includes some water conserving features.
The movement of food from the stomach into the esophagus is usually prevent by the sphincter
Answer:
Explanation:
wavelength| The distance between one peak or crest of a wave of light, heat, or other energy and the next corresponding peak or crest. amplitude| The height of a crest (or the depth of a trough) of a wave.