<span>Andrew Carnegie in steel and John D. Rockefeller in oil industry built fortunes by buying the competition, thus creating monopolies that could charge prices much higher than costs and earn large profits.
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Herd immunity is likely to shield an immunocompromised child against measles, mumps, chickenpox, and german measles if the community in which they reside has an MMR vaccination rate of 97%.
<h3>What is measles?</h3>
A virus is the cause of the measles, which affects children. Measles is now almost always avoidable with a vaccine, despite once being extremely common. The measles, also known as rubeola, is contagious, dangerous, and occasionally fatal in young children. The measles still claims the lives of more than 200,000 people a year, largely children, despite the fact that death rates have been declining globally as more youngsters obtain the vaccine. Measles hasn't been a common disease in the United States in about 20 years due to high vaccination rates generally. The majority of recent cases of measles in the United States were brought in from abroad and affected people who were either unvaccinated or unaware of their vaccination status.
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Answer:
The building of dams has created problems for countries sharing the same river because the dams block the natural flow of the river, forcing the water to stay in a certain territory and not giving the countries that follow downstream the water that they should be receiving.
Explanation:
From paulding.k12
Answer:
Option: False
Explanation:
For being Catholic, it did not stop the Spanish immigrants to have sexual contact with the Native Indian women in America. Conquest of the early civilizations and defeating the people led the Spanish settlers to establish colonies in New World. Interactions among Spanish and Native Americans depended on economic, social and political factors. Intermarriage was common between Spanish immigrants and Native Indian women, which led to cultural interaction and a new ethnic group called 'Mestizo'.
The water cycle has no starting point. But, we'll begin in the oceans, since that is where most of Earth's water exists. The sun, which drives the water cycle, heats water in the oceans. Some of it evaporates<span> as vapor into the air. Ice and snow can </span>sublimate<span> directly into water vapor. Rising air currents take the vapor up into the </span>atmosphere<span>, along with water from </span>evapo-transpiration<span>, which is water transpired from plants and evaporated from the soil. The vapor rises into the air where cooler temperatures cause it to </span>condense<span> into clouds. Air currents move clouds around the globe, cloud particles collide, grow, and fall out of the sky as </span>precipitation<span>. Some precipitation falls as snow and can accumulate as </span>ice caps and glaciers<span>, which can store frozen water for thousands of years. Snow packs in warmer climates often thaw and melt when spring arrives, and the melted water flows overland as </span>snow melt<span>. Most precipitation falls back into the oceans or onto land, where, due to gravity, the precipitation flows over the ground as </span>surface runoff<span>. A portion of runoff enters rivers in valleys in the landscape, with </span>stream flow<span> moving water towards the oceans. Runoff, and groundwater seepage, accumulate and are </span>stored as freshwater<span> in lakes. Not all runoff flows into rivers, though. Much of it soaks into the ground as </span>infiltration<span>. Some water infiltrates deep into the ground and replenishes </span>aquifers<span> (saturated subsurface rock), which store huge amounts of freshwater for long periods of time. Some infiltration stays close to the land surface and can seep back into surface-water bodies (and the ocean) as </span>groundwater discharge<span>, and some ground water finds openings in the land surface and emerges as freshwater </span>springs<span>. Over time, though, all of this water keeps moving, some to reenter the ocean, where the water cycle "ends" ... oops - I mean, where it "begins." Hope this helped!!</span>
