Q: By increase in which atmospheric concentration acid rain is caused?
A: Acid rain is the precipitation whose pH is in the highly acidic range i.e. below 5. For normal…
Q: Why are wet soils unfavorable for aerobic organisms?
A: An aerobic organism is an organism that can survive as well as grow only in an oxygenated…
Q: List the two sources of dissolved oxygen in a lake
A: Individuals in the community interact with each other and the non-living components of their…
Q: What is the term for the accumulation of dead planktonic organisms that have sunk through the water…
A: The answer is given below.
Q: Water is less dense as a solid than as a liquid. How does this property typically affect a lake…
A: Density can be defined as the mass per volume.Average density of an object can be defined as mass…
Q: Aside from light energy and temperature. What are the other physical conditions and climatic regime…
A: An aquatic ecosystem is an ecosystem that is found in water. There are many types of aquatic…
Q: What is potable water?
A: An ecosystem is a large community of living organisms in a specific area in which the biotic and…
Q: How is a lake stratified and what lives in each level?
A: Lake ecosystems are mainly standing water ecosystems or in other words known as Lentic ecosystems.…
Q: What is the average salinity of the ocean? 50% a O b 50 ppt 35 ppt O d 20%
A: The average salinity is generally measured in ppt (parts per thousand). If a solution has average…
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: What significant role does the water cycle contribute in an aquatic environment?
A: The word biogeochemical includes three different terms, ‘bio’ refer to biotic component, ‘geo’…
Q: Which element(s) has/have an inorganic reservoir that existsprimarily in sedimentary deposits?a.…
A: Biogeochemical cycles are natural cycles that depict the circulation of a element in the biosphere.…
Q: What are lakes ? explain the Types of lakes ?
A: Near about two-third of the earth is covered with water bodies in different forms. The total water…
Q: What organisms living in salty area are called?
A: Habitat is a type of natural environment for which organisms or species best adapted due to natural…
Q: What are three to four uses for water?
A: Water has some unique properties which enables it to be used for various purposes. Some important…
Q: If salinity changes (increases) in a freshwater body, what influence would this have on aquatic…
A: Introduction Salinity is very important factor of aquatic ecosystem. Aquatic ecosystem is mainly…
Q: ocean acidification
A: A universal indicator is a mixture of different indicators or dyes which has many different colors…
Q: What TWO processes can increase salinity in the ocean?
A: Salinity is the measure that refers to the saltiness or the amount of salt that is found in the…
Q: How biological process including life processes and decomposition of organic matter influence…
A: Organic matter are the carbon based compounds which are present in the environment. They are…
Q: 7. Relate seawater properties and composition to life in the oceans
A: Seawater covers a large percentage of Earth's crust and is composed of 96% of water, 2.5% of salts,…
Q: How does gravity play a role in moving water in the water cycle?
A: the path in which the water on the ground , oceans , lakes are convetred into water vapor in…
Q: How does your use of water change Earth systems?
A: Earth system can be defined as the interaction of earth's physical,chemical and biological…
Q: How is the ocean a buffered system
A: Plate tectonics and seafloor spreading, turbidity currents, sediments, pH levels, atmospheric…
Q: Why is the pH of the rain so low?
A: Liquids with pH below 7 are acidic, and those with pH above 7 are alkaline (or basic).
Q: what are typical salinity values in the ocean?
A: Salinity is generally low at the equator and at the poles and high at mid-latitudes.
Q: How does salinity play an important role in ecological classification of organisms?
A: The amount of dissolved salts present in water is termed as salinity. In seawater, sodium &…
Q: Relate human activities and water loss?
A: Water resources suffer greatly due to human activities.
Q: What are the similarities and differences in the stratification of lakes and oceans? What…
A: Stratification is the term used to describe the formation of layers of water or columns in ocean or…
Q: Explain in detail How water can be polluted and what are the effects of polluted water on human…
A: The addition of unwanted materials in the water is commonly known as water pollution. Water…
Q: Why is the pH found in freshwater sources in the Eastern half of the United States dramatically…
A: pH is the measure of the acidity of the solution. The lower the pH higher is the acidity and…
Q: Besides mercury whichother heavy metals causetoxic pollution?
A: Pollution is the introduction of contaminants into the natural environment that causes adverse…
Q: What is the role of BOD in a river water?
A: BOD is Biological Oxygen Demand. It is defined as the amount of dissolved oxygen which is required…
Q: Why is evaporation important for many intertidal animals? In which intertidal animals is evaporation…
A: scientific findings on seeing effect of evaporation on intertidal zone-In coastal environments,…
Q: A large body of fresh gound water free from impurities is called:
A: Water covers almost 70% of our Earth. The largest body of water is the ocean, while the remaining…
Q: What effect does acid rain have on the environment on a macroscopic scale?
A: Acid rain is a broad term that includes any form of precipitation with acidic components, such as…
Q: what is the most important source of water on Earth?
A: Ecology is the study of interaction of organisms with one another and with the environment. Ecology…
Q: What lesson about water was learned from Hurricane Katrina?
A: Hurricane Katrina was an enormous Category 5 Atlantic tropical storm that caused more than 1,800…
Q: How does sleet differ from hail? O A. Sleet is frozen raindrops, and hail is frozen layers of…
A: Any liquid or frozen water that exists within the atmosphere and falls down to Earth is referred to…
Q: What is your hypothesis as to which will settle out first (sand, silt or clay)? What do you…
A: The solution is a mixture of solute and solvent. Particles based on their solubility and gravity…
Q: List four biological processes on which water is an indispensable component.
A: Water is essential for life. The most abundant substance of the living cell is water. It accounts…
Q: Describe the process by which ocean acidification affects the well-being of carbonate-secreting…
A: Answer: OCEAN ACIDIFICATION : When CO2 dissolves in seawater to make aqueous CO2 (CO2(aq), carbonic…
Q: What is the water temperature near deep sea vents, and how does that compare to the “normal” water…
A: There is a huge difference in the temperature at different depths of the oceans. The organisms…
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- List four biological processes on which water is an indispensable component.How would adding clay to loamy soil affect capacity to exchange cations and retain water? Explain.a) What substances can make water in lakes and ponds hard? b) Are these substances generally harmful or are they beneficial to organisms living in the water?
- What is your hypothesis as to which will settle out first (sand, silt or clay)? What do you anticipate will happen to any organic matter in your sample?Imagine you are testing water samples from a local pond for pollutants. Your lab instructor sees the results of your dissolved oxygen test and remarks that your water sample has the same dissolved oxygen level as water found near the seafloor of a dead zone. What is the dissolved oxygen level of this water sample? 650-700 ppm 350-360 ppm 80-90 ppm 7-9 ppm 2-3 ppmBy increase in which atmospheric concentration acid rain is caused?