Allopatric <span>speciation!
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Answer:
Dwarf planets lack the gravitational forces needed to pull in and accumulate all of the material found in their orbits.
When the stomach is empty, the walls are folded into rugae (stomach folds), which allows the stomach to expand as more food fills it.
In the stomach, food undergoes chemical and mechanical digestion. The peristaltic contractions churn the bolus, which mixes with strong digestive juices that the stomach lining secrete. The stomach walls contain three layers of smooth muscle arranged in longitudinal, circular, and oblique rows. These muscles allow the stomach to squeeze and churn the food during mechanical digestion.
Answer:
True
Explanation:
Barycenter is the center of mass of an object. Since the beginning all planets and sun have been revolving around their center of mass. This center of mass evidently is the center of the solar system . The satellite, planet and sun has been revolving and rotating in the counterclockwise around the barycenter as well as their axis
Answer:
From the frequent use of antibiotics.
Explanation:
If we limited the amount of antibiotics used, bacteria wouldn't be resistant. When becteria become resistant to an antibiotic they will also become resistant to higher doses of antibiotics. The bacteria won't become effected no more by the antibiotics.
