Taste (gustation) and smell (olfaction) are called chemical senses because both have sensory receptors that respond to molecules in the food we eat or in the air we breathe.
Answer:
Formation of the planets. The various planets are thought to have formed from the solar nebula, the disc-shaped cloud of gas and dust left over from the Sun's formation. ... These rocky bodies would become the terrestrial planets (Mercury, Venus, Earth, and Mars).
Answer:
Scientific hypotheses are testable and falsifiable.
testable
