What is an oxygen sag curve? What changes in a river cause this effect?

Q: What is the major reason for the change in the carbon dioxide concentrations seen in the last 150…

A: Carbon-dioxide is a greenhouse gas that usually absorbs and radiates heat thus, known as an…

Q: ing Activity 2 8. 43 23 10 11 33 12

A: The word urogenital is used because the urinary and reproductive systems in males merge. The male…

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 does the failure to sustain water availability underground has resulted?

A: The water present in the soil pore spaces, rocks, and sand beneath the surface of the earth is…

Q: What is the increase on distilled water stations in a certain place tells us?

A: Water can be considered an elixir of life. It is used for many purposes in human life. So the…

Q: Describe how water flows upward against gravity.

A: The water of movement against gravity is due to various phenomena working together in harmony. It is…

Q: Design an experiment to solve the following problem:Determine the rate of methanogenesis (CO2 + 4H2…

A: Methanogenesis is process of methane formation by methanogens (microorganisms can produce methane).…

Q: What is marine snow? Why is it important in CO2 drawdown?

A: Marine snow is not snow that falls on the seas and oceans. It is related to organic matter in the…

Q: Where is the discharge in this photo? A discharge is: The flow or pumping of water from the ground;…

A: Water cycle  It is the continuous movement of water from ground to atmosphere.

Q: State what is the likely magnitude of the Hill constant (nH) for HbA from your reading and state…

A: Hill equation is reflects the occupancy of biomolecule by respective ligands. i.e. fraction of…

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: You visited a rainforest that has a rocky river, predict what will happen to its dissolved oxygen…

A: A) cold water can hold more dissolved oxygen than warm water. In water and early spring, when the…

Q: Level of Dissolved Water Temperature (°C) c. If the trend continues as shown in the data, what would…

A: Dissolved oxygen means the amount of oxygen present in water. Dissolved oxygen of 4-5 ppm is…

Q: During the isovolumetric periods there is no change in volume.

A: Isometric contraction or isovolumetric  period is an event that occurs in the early stages of…

Q: Write steps to calculate how much water is polluted.

A: Water pollution refers to the contaminated condition of water bodies such as rivers, lakes, oceans,…

Q: Density Dependent Limiting Factors 1 2 3 4

A: In ecology, a density-dependent factor, also known as a regulating factor, is any force that…

Q: How does the Coriolis “Force” affect ocean productivity? How does it affect the world’s major…

A: Coriolis force or Coriolis effect is the deflection of wind towards the right in the Northern…

Q: Name the regions of the atmosphere, indicating the altitude interval for each one.

A: It has the highest density at the surface of the earth. It is an envelope surrounding the earth and…

Q: How will the planet respond on the long term to human changes to atmospheric CO2?

A: Human activities ( primarily the burning of fossil fuels) have fundamentally increased the…

Q: Why are deep ocean waters typically low in oxygen?

A: The biogeochemical cycle that leads to the interconversion of environmental carbon in different…

Q: at is the major reason for the change in the carbon dioxide concentrations seen in the last 150…

A: Carbon dioxide is one of the major gases of the atmosphere. It is usually released through natural…

Q: Which of the following is/are primary pollutants that eventually result in acid deposition?   a.…

A: A primary pollutant is an air pollutant emitted directly from a source like NO2, SO2, CO, VOCs etc.

Q: Why is release of sulfide from oxygen minimumzones infrequent, occurring at times of…

A: Oxygen minimum zones (OMZs) are the regions where the oxygen level is depleted at intermediate…

Q: date palm trees process gas exchange in the sahara desert?

A: date palm trees are the tress which require only little amount of water. deserts are the areas where…

Q: Which gas is more abundant at the surface of the ocean than farther down? helium a O b oxygen carbon…

A: Three most abundant gases found in ocean are carbon dioxide ,nitrogen ,oxygen . Cabon dioxide is…

Q: Create a mindmap about air and water dispersion and circulation mechanisms

A: Air pollution dispersion is the distribution of air pollution into the atmosphere. Air pollution may…

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: a) State three (3) advantages and three (3) disadvantages of withdrawing groundwater.

A: Advantages of withdrawing groundwater It is less polluted because it is not contaminated by humans…

Q: Explain why a particle elutriator is not considered a particularly useful method for removing…

A: Elutriation is a method of separating particles based on their size, shape, and density by passing…

Q: Which of the following water sources will most likely have the highest amount of dissolved oxygen? O…

A: Water bodies absorb oxygen from the atmosphere and this amount of oxygen that present in water is…

Q: How is Germany managing the acidity of black forest? What is controversial about their management…

A: The Black Forest is a mountainous area bordering France in southwest Germany. It is also associated…

Q: The observed increase in tempature a worldwide resulting from excess carbon dioxide in the…

A: during last century it have been observed that the global temperature is rising . this rise in…

Q: The air in soils is normally higher in CO2 and lower in O2 than atmospheric air. TRUE OR FALSE

A: The quantity of oxygen in soil air is less than atmospheric air and the quantity of carbon dioxide…

Q: What are the names of each atmospheric circulation cell? Where are they found? Where does air rise…

A: Atmospheric circulation is the large scale movement of air by which heat is circulated on the…

Q: Explain how & why the dissolved oxygen concentration changes with depth. Be sure to include the OMZ.

A: Water contains a considerable amount of free oxygen that supports life inside the aquatic system.…

Q: The ocean absorbs about 25% of the CO2 released to the atmosphere. How does the absorption of CO2…

A: Carbon dioxide is a greenhouse gas that increases the temperature of the earth's atmosphere by…

Q: 80 60 40 20 10 20 30 40 50 60 70 pO2 (mmHg) (%) *0}S

A: Haemoglobin is an iron containing protein which transport oxygen from lungs to the body tissues and…

Q: How is the acidification of the oceans caused by our adding massive volumes of CO2 into the…

A: INTRODUCTION Ocean acidification There is a decrease in the pH of ocean due to mixing of atmospheric…

Q: Describe the characteristics of the California Current? What type of current is it? What type of…

A: California current: It is the pacific ocean current that moves towards south along the western coast…

Q: What is a wind? Wrte three uses of wind?

A: The wind is one of the important resources which is there in the environment. The wind is the main…

Q: Calculate KM for the substrate SAD.

A: Using the Michealis-Menten equation the Km value can be calculated.  Here, kcat is the number of…

Q: Which gas contributes maximum to green house effect on earth?

A: The greenhouse effect is a process that takes place in Earth’s atmosphere traps the heat of the sun.…

Q: Density Independent Limiting Factors 1 2 4

A: A population is a group of organisms of the same species.

Q: ow the increase of CO2 levels have an affect on the hydrosphere ?

A: A hydrosphere is the sum of water on a planet. The hydrosphere incorporates water that is on the…

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…