What are the two key concepts for this section?Define freshwater. Explain why access to water is ahealth issue, an economic issue, a national and globalsecurity issue, and an environmental issue. Whatpercentage of the earth’s freshwater is available to us?Explain how water is recycled by the hydrologic cycleand how human activities can interfere with thiscycle. Define groundwater, zone of saturation,water table, aquifer, surface water, surface runoff, and watershed basin

Q: What freshwater source would you predict has the lowest dissolved oxygen concentration?

A: Oxygen is considered the major factor for the survival and various physiological functioning of…

Q: What are some examples of the interactions between biotic and abiotic factors in a freshwater…

A: In ecology, biotic and abiotic elements comprise all living and non-living components of an…

Q: Write note on Groundwater depletion and ways for its replenishment.

A: Groundwater is the water that is present below the surface of the land i.e. in the saturated zones…

Q: Where the 70% of world's fresh water contained?

A: Water is inorganic, transparent, and tasteless chemical substance that is a main constituent of…

Q: What impact does water pollution have on ecosystems and habitats? Explain.

A: Given: Impact of water pollution on Ecosystems and habitats.

Q: Describe how density of the water column changes with depth in BOTH a stable and an unstable water…

A: Density is known as the unit volume mass of water and has units of grammes per cubic inch (g / cm3),…

Q: 1) A blocked-off meander 2) The shape of a stream that is being actively eroded 3) A triangular…

A: Groundwater is the major source of freshwater. Freshwater is also available from resources such as…

Q: a) You run an experiment to estimate the water flow rate of the drip irrigation system in the Elon…

A: all the calculations above can be done with the help of simple formulas and equation  the data…

Q: In  temperate lakes, the surface water is replenished with nutrients during mixing turnovers that…

A: The question is asking about the periods of the year when mixing turnovers occur in temperate lakes.…

Q: Explain the important environmental factors that affect aquatic ecosystems.

A: The natural ecosystem operates itself with the help of natural conditions without any interference…

Q: Describe some examples of domestic water conservation.

A: Ans: The water used for indoor and outdoor activity in house is referred to as domestic water usage.…

Q: The following table gives the total amounts of water and salt in the oceans and the total influx of…

A: The total amount of water in the ocean – 1.4×1018tons The total influx of water from the river –…

Q: How human intervention pollutes water bodies?

A: Water pollution is defined as any change in the quality of water that can harm living organisms and…

Q: After a natural disaster, aid agencies typically make providing clean drinking water a priority. Why…

A: The correct answer is -  Water sources can get contaminated and infect large groups of people.

Q: What freshwater source would you predict has the lowest dissolved oxygen concentration?

A: Answer: Stagnant water or calm water are the ones in which water has no mobility such as ponds.…

Q: Where does your community obtain its water? Is it from a surface source or an underground aquifer?…

A: Water Source: Our main supply of water in Green Valley comes from an underground aquifer. This…

Q: Please describe the water cycle, including sources of usable freshwater and renewal times for…

A: Water is considered as one of the most important molecule which is required for the survival of the…

Q: Detritus entering the water baselines.d... Nitrogen fixation NH Nitrification (NO₂ Consumption…

A: Nitrogen cycle is depicted in the image  Nitrogen cycle occurs in the nature where atmospheric…

Q: What result can a river with an inflow of domestic sewage rich in organic waste can give?

A: The phenomenon of ageing of water bodies naturally due to increase in its nutrient concentration is…

Q: How can levels of nitrates and bacteria be controlled in runoff water?

A: Pollution is any undesirable change in physical, chemical or biological characteristics of air,…

Food Microbiology

The subdivision of microbiology that deals with the interaction between microbes and food particles are called food microbiology. This scientific study incorporates both beneficial and harmful microbes and their effect on the food production, food storage, and health of human beings.