The promotion and development of tourism is moving from the ________ sector to the _______

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Eudicot leaf development and structure.

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Embryonic development of shepherd’s purse (Capsella), a eudicot

Author Question: The promotion and development of tourism is moving from the ________ sector to the ________ sector. (Read 117 times)

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Author Question: The promotion and development of tourism is moving from the sector to the sector. (Read 117 times)