I am not sure. But Maybe someone else can help. I am sorry!!!!
<span>The Chemical Senses: Taste and Smell. Taste. The stimuli for taste are chemical substances dissolved in water or other fluids. Taste can be described as four basic sensations, sweet, sour, salty, and bitter, which can be combined in various ways to make all other taste sensations. Hope this helps!</span>
They are used as radio waves, infrared radiation, visible light.
Answer:
Kung hindi tayo marunong magpahalaga at mangalaga sa mga sinaunang kabihasnan sa daigdig ay maaaring masira at mawala ang mga ito sa atin.
