Question and answer
The most common cause of desertification is A. drought. B. the construction of dams. C. overgrazing. D. mining.
The most common cause of desertification C. overgrazing.
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Original conversation
User: The most common cause of desertification is A. drought. B. the construction of dams. C. overgrazing. D. mining.

Weegy: The most common cause of desertification C. overgrazing.
cadbury19020|Points 158|

User: Which of the following was one result of the Green Revolution? A. An increase in the yield of crops for less-developed countries B. The protection of species diversity C. The conservation of topsoil D. An increased reliance on polyculture agriculture

Weegy: The answer is: C. An increased reliance on polyculture agriculture was one result of the Green Revolution.
cutyglyde|Points 431|

User: The life history pattern in which population growth is logistic is called A. equilibrium pattern. B. opportunistic pattern. C. population density. D. biotic potential.

Weegy: The life history pattern in which population growth is logistic is called: A. equilibrium pattern.
cutyglyde|Points 431|

User: Study the following food chain: grass snakes rabbits hawks. From this chain, you can correctly assume that each population A. is a carnivore. B. is a species of herbivore. C. is always larger than the one before it. D. supports the next trophic level.

Weegy: From this chain, you can correctly assume that each population A. supports the next tropic level.
biank1989|Points 179|

User: In which of the following relationships do both species benefit? A. Competition B. Commensalism C. Mutualism D. Parasitism

Weegy: In MUTUALISM, both species benefit.
andrewpallarca|Points 27743|

User: Which of the following is a renewable resource? A. Fossil fuels B. Minerals C. Wind D. Land

Weegy: D. Wind is a renewable resource. Renewable energy sources are energy sources that are continually replenished.
andrewpallarca|Points 27743|

User: The process of chemical cycling is known as a biogeochemical cycle because it A. takes place over a long period of time. B. involves both living and nonliving components. C. absorbs the chemical involved from the sediment. D. withdraws the chemical from the atmosphere as a gas.

Weegy: answer : B. involves both living and nonliving components.
Luzvi|Points 70|

User: A complex of interconnected food chains in an ecosystem is called a/an A. ecological pyramid. B. food web. C. trophic stack. D. ecosystem.

User: Among human populations, the primary use of fresh water is for A. agriculture and industry. B. drinking and cooking. C. flushing toilets. D. energy.

Weegy: Among human populations, the primary use of fresh water is for - - A. agriculture and industry.
Expert answered|yumdrea|Points 3105|

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Asked 310 days ago|11/25/2013 10:12:22 AM
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Which one of the following events occurs first in a nerve impulse? A. Sodium ions move to the outside of a neuron. B. Potassium ions move to the inside of a neuron. C. Potassium ions move to the outside of a neuron. D. Sodium ions move to the inside of a neuron.
Weegy: C.Sodium ions move to the inside of a neuron- occurs first in a nerve impulse. User: Too much calcium in a person's diet may result in A. heart attack. B. dehydration. C. kidney stones. D. high blood pressure. Weegy: One of the major symptoms of too much calcium in one's system is extreme lethargy, to the point that a person is not even interested in basic functions, such as food intake. [ Additionally, a person may experience intense or consistent bouts of nausea, vomiting and diarrhea, which in turn can result in a high level of dehydration and thirst. More serious symptoms of too much calcium can include an irregular heartbeat and extremely low blood pressure. Those who allow the condition to worsen through time can lose consciousness or feel confused much or nearly all of the time. Depression is another major symptom of having too much calcium in one's system, as is abdominal pain. Kidney pain is also a sign, and this signals not only high levels of calcium but the possibility of kidney stones or even kidney disease. ] User: During transpiration, water exits the leaf via the A. tracheids. B. root. C. stomata. D. mycorrhizal. Weegy: During transpiration, water exits the leaf via the STOMATA. User: In the process of embryonic development, the _______ develops first. A. blastocyst B. gastrula C. blastocoel D. morula Weegy: In the process of embryonic development, the _______ develops first. C. Morula - It goes - Morula, Blastocoel, Blastocyst, Gastrula User: In plants, what type of tissue is responsible for transporting water and nutrients? A. Vascular B. Epidermal C. Ground D. Meristem Weegy: In plants, what type of tissue is responsible for transporting water and nutrients? C. Vascular. User: In the context of vision, the blind spot is A. a nontransparent area on the lens. B. an area of the retina where rods and cones are concentrated. C. an area of the retina where there are no rods or cones. D. a nontransparent areas on the ... (More)
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The change in pitch of a train's horn as it passes while you are standing still can be explained by A. sympathetic vibration. B. ultrasonic vibrations. C. resonance. D. the Doppler effect.
Weegy: C. the Doppler effect. User: The distance from one molecule in a body to the nearest molecule in the body occupying a similar position and moving in the same direction is a A. compression. B. rarefaction. C. wavelength. D. refraction. Weegy: The distance from one molecule in a body to the nearest molecule in the body occupying a similar position and moving in the same direction is a Wavelength. User: The part of the ear where sound wave compressions and rarefactions cause the eardrum to vibrate is the A. outer ear. B. inner ear. C. middle ear. D. auditory nerve. Weegy: The part of the ear where sound wave compressions and rarefactions cause the eardrum to vibrate is the C. middle ear. User: Through which one of the following mediums is the velocity of a sound wave the greatest? A. Steel B. Water C. Air D. Lead Weegy: D. Lead - - is the velocity of a sound wave the greatest. (More)
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