I'd say to help the reader quickly locate geographic regions.
I believe the correct answer among the choices listed above is the last option. Plants seemed to evolve in the order of bryophytes, gymnosperms,angiosperms. Bryophytes are mosses that lack vascular tissue. Gymnisoerm do not have seeds but have vascular tissue. Angiosperms have flowers and seeds for mating.
It D. Two oceanic plates moving together
The correct answer is "<span>are high exposures over short times and associated with a specific cause"
Acute exposure is defined as exposures to high amounts of toxic substance over a period of time associated with a specific cause. For instance, acute exposure to malathion (insecticide) will produce acute effects of acute paralysis or weakness, respiratory depression, or even death. While usually fatal, it is usually treatable.</span>
2) Chemical substances in food dissolve in saliva
Substances form the food need to be dissolved and and a little bit degraded (by teeth and some of the enzymes in the mouth) in order to react chemically with taste receptors
1) Taste receptors are stimulated
Taste receptors are located in the oral cavity, usually on the tongue but also pharynx and the epiglottis (receptors are placed on taste buds within papilla on tongue)
3) Signals are sent to the thalamus by the facial nerve
From the ventral posterior medial nucleus in thalamus sensation is projected to the gustatory cortex
4)The gustatory cortex processes taste perception
The sensation of taste includes: sweetness, sourness, saltiness, bitterness, and umami
