B) Around 300 million years ago, the regions where coal formed were located in tropical climates that were partially submerged on the coasts
Explanation:
The distribution of the world's major coal reserves supports the the theory of plate tectonics because the regions where they formed were in tropical climates around 300 million years ago.
Coal is a fossil fuel used to produce energy when burnt.
They are formed in tropical swamps where there is luxuriant plants life.
To form a coal, a terrain such as swamp must have rich plant life. The plant is rapidly buried and cut off from the oxic environment. Further burial under heat and pressure transforms the plant matter into coal.
- The major reserves of coal in the world today is found in Europe and North America
- These are temperate regions whose conditions do not favor the formation of coal.
- Those regions must have moved from around the equator to their present day position.
- The coal formed when they were much closer to the equator around 300 million years ago.
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Its the first layer of protection in the atmosphere against radiation from the sun and its harmful U.V. rays.
I think it would be considered C) Complete Dominance, as the S (Dominant Allelle) is masking the s (Recessive Allelle)
Answer:
b. Hiccupping is a vestigial reflex that suggests a common ancestry between humans and amphibians.
Explanation:
Hiccupping refers to an involuntary contraction of the diaphragm that usually occurs several times per minute. Some research has suggested that hiccuping is an evolutionary remnant of amphibian respiration. This is because the mechanism is remarkably similar to the way tadpoles gulp air and water across their gills. This would mean that hiccups exist due to an antecedent to modern lung respiration.
When a patient is treated with large doses of atropine, the nurse should look out for symptoms relating to the drug's antimuscarinic properties like blurred vision, constipation, difficulty with urination, skin rash and xerostomia.
Sinus Bradycardia is a condition whereby a person's heart rhythm is slower than normal ( in adults, it could be as slow as 50 beats per minute ). When this occurs, the heart pumps blood too slowly to supply the patient's body system with enough blood. it happens to mostly adults over the age of 60 years. If conditions persist despite respiratory support, atropine is administered.
Atropine is an anticholinergic drug used to increase the heart rate of a person having sinus bradycardia. When administered in large doses, the patient experiences adverse side effects due to the drug's antimuscarinic effects, like blurred vision, constipation and xerostomia.
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