Which best describes a possible negative impact of irrigation of farmland quizlet?
Which best describes a possible negative impact of irrigation of farmland? –Food can be produced in dry areas.
What is one negative effect of human influence on cycles of matter?
Humans cause environmental problems by influencing the carbon cycle in two ways. Firstly, the removal of forests has caused depletion in plants and trees that absorb carbon dioxide. Humans cause great carbon emissions to the atmosphere, which take place during industrial processes, such as coal and oil combustion.
What would most likely happen if there were no condensation stage in the water cycle quizlet?
What would happen if there was no condensation stage in the water cycle? Water could not convert from a gas to a liquid.
Which of the following is the most common cause of human influence on biogeochemical cycles?
Global carbon dioxide emissions are the most significant driver of human-caused climate change. But human-accelerated cycles of other elements, especially nitrogen, phosphorus, and sulfur, also influence climate.
What describes a possible negative impact of irrigation or farmland?
The potential direct negative environmental impacts of the use of groundwater for irrigation arise from over-extraction (withdrawing water in excess of the recharge rate). This can result in the lowering of the water table, land subsidence, decreased water quality and saltwater intrusion in coastal areas.
What is a negative impact of irrigation of farmland?
However, there are a number of other negative effects related to irrigation. Areas drenched by irrigation can become waterlogged, creating soil conditions that poison plant roots through anaerobic decomposition. Where water has been diverted, soils can accrue too much salt, also harming plant growth.
Which statement describes a negative consequence of humans use of excess water quizlet?
Which statement describes a negative consequence of humans' use of excess water? It increases runoff, which carries fertilizers.
What are the harmful effects caused by disrupting cycles of an ecosystem?
Some disruptions can be devastating for an individual species and may even cause an entire species to permanently disappear in a process called extinction. As species become extinct, the variety of species in the biosphere decreases, which decreases biodiversity, or the variety of life.
Which describes a possible negative impact of irrigation of farmland?
The potential direct negative environmental impacts of the use of groundwater for irrigation arise from over-extraction (withdrawing water in excess of the recharge rate). This can result in the lowering of the water table, land subsidence, decreased water quality and saltwater intrusion in coastal areas.
What would happen if there was no condensation stage in the water cycle?
Answer and Explanation: If there was no condensation stage in the water cycle, there would be no precipitation, and the water cycle would stop.
How does humans affect the water cycle?
Humans directly change the dynamics of the water cycle through dams constructed for water storage, and through water withdrawals for industrial, agricultural, or domestic purposes. Climate change is expected to additionally affect water supply and demand.
How do humans impact the biogeochemical cycles?
Recently, people have been causing these biogeochemical cycles to change. When we cut down forests, make more factories, and drive more cars that burn fossil fuels, the way that carbon and nitrogen move around the Earth changes. These changes add more greenhouse gases in our atmosphere and this causes climate change.
What are the negative impacts of irrigation?
reduced downstream flooding. disappearance of ecologically and economically important wetlands or flood forests. reduced availability of industrial, municipal, household, and drinking water.
What are the negative effects of agriculture?
Agriculture is the leading source of pollution in many countries. Pesticides, fertilizers and other toxic farm chemicals can poison fresh water, marine ecosystems, air and soil. They also can remain in the environment for generations.
What are positive and negative effects of irrigation?
There are many positive impacts of irrigation on the environment. Among the negative impacts which appear in the mentioned spheres prevalent impacts is the danger of waterlogging and salinization of soils and waters, rise in groundwater table, spread of water born diseases, pollution of waters and many others.
Which statement describes what is most likely happening when you feel thirsty quizlet?
Which statement describes what is most likely happening when you feel thirsty? Blood pressure has increased. Blood osmolarity has decreased. Antidiuretic hormone (ADH) is released from the pituitary gland.
Which statement is the best overall description of cells in the human body quizlet?
Which statement is the best overall description of cells in the human body? Cells are basic building blocks of the body.
How does water pollution affect the environment?
Destruction of biodiversity. Water pollution depletes aquatic ecosystems and triggers unbridled proliferation of phytoplankton in lakes — eutrophication —. Contamination of the food chain.
How does the water cycle cause weather?
Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snow.
What would happen if there were no condensation stage in the water cycle water could not convert from a gas to a liquid water could not convert from?
So what would happen if there were no condensation stage? The condensation stage is the one where water vapour gathers together into clouds (and when the clouds become heavy enough with vapour, release water as rain). So the first answer is that there would be no clouds.
How do humans negatively impact water resources?
Humans alter the water cycle by constructing dams and through water withdrawals. Climate change is expected to additionally affect water supply and demand. Here, model analyses of climate change and direct human impacts on the terrestrial water cycle are presented.
How do humans affect water quality?
How do human activities affect water quality? Urban and industrial development, farming, mining, combustion of fossil fuels, stream-channel alteration, animal-feeding operations, and other human activities can change the quality of natural waters.
How do humans negatively impact the carbon cycle?
Changes to the carbon cycle Human activities have a tremendous impact on the carbon cycle. Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere.
What are the positive and negative impact of irrigation?
There are many positive impacts of irrigation on the environment. Among the negative impacts which appear in the mentioned spheres prevalent impacts is the danger of waterlogging and salinization of soils and waters, rise in groundwater table, spread of water born diseases, pollution of waters and many others.
Which of the following is not a negative effect of irrigation?
The purpose of irrigation is to increase crop yield. Therefore, the increase in crop yield is a positive and beneficial effect of irrigation.
What were the negative impacts that early agriculture had on human health?
Skeletal analysis of these early agricultural communities suggests that the transition to agriculture had an overall negative impact on human oral health, increased the incidence of infectious disease and nutritional deficiencies, and contributed to an overall reduction in human stature.
What are 3 negative effects of agriculture on the environment?
Agriculture contributes to a number larger of environmental issues that cause environmental degradation including: climate change, deforestation, biodiversity loss, dead zones, genetic engineering, irrigation problems, pollutants, soil degradation, and waste.
Which one of the following is a negative impact of over-irrigation?
Answer: Over-irrigation leads to water loss, increases energy use for pumping, causes leaching of nitrogen and other micro nutrients, and wastes time. Crop nitrogen needs, fertilizer costs, and nitrogen losses to groundwater also result from over-irrigation.
Which of the following is true of negative feedback mechanisms?
The correct answer is option (c) It slows and stops its influence as the system returns to normal. A negative feedback system is vital in returning…
Which statement best explains why the human body does not tolerate internal temperature changes very well?
Which statement best explains why the human body does not tolerate internal temperature changes very well? The enzymes that catalyze the chemical reactions in our bodies function only within a very narrow temperature range.