Answer:
16. Tidal Currents 17. Ocean Currents 18. Coastal Currents
Explanation:
The kind of variation that must exist in a population that has a wide range of phenotypes is GENETIC VARIATION.
Genetic variation is started in a population's gene pools which contains all alleles. It is <span>is measured with allele frequency which are calculated by # of specific allele divided by total # of alleles.</span>
The esophagus undergoes peristalsis and the muscular movements force the bolus to the stomach, even against the force of gravity.
<h3>Which is not an involuntary part of the swallowing reflex?</h3>
The tongue rolls chewed food into a bolus and pushes it to the oropharynx. larynx.
Thus, The esophagus undergoes peristalsis and the muscular movements force the bolus to the stomach.
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<span>Sedimentary rocks are useful as records of past time because
of its layered structure. </span>
In terms of energy converters, efficiency most commonly refers to how much power was lost in the conversion from steam to heat, or from outlet to shone charger. Some systems 'leak' energy, meaning more energy is going out one way than going in the other. The energy source transfers more power than the energy recipient receives. The more efficient the converter, the less power is lost.
