Warm, still water holds______ oxygen than cold, fast-flowing water. a. more b. less

Q: Compared to water air is _____ dense and _____. "less, less" "more, more" "more, less" "less, more"…

A: Answer:- Density in simple terms is the mass occupied by an object in a given volume. The density of…

Q: Mountain climbers may have difficulty at high elevations becausea. the partial pressure of oxygen is…

A: The low pressure of oxygen makes it very difficult for the hikers to breathe. The lack of oxygen at…

Q: List two sources of dissolved oxygen in a lake and based on your understanding of those sources,…

A: Dissolved Oxygen is the amount of gaseous oxygen (O2) dissolved in the water.

Q: Balloons which have been inflated inside a cool building expands when it is carried to a warmer area…

A: In science, Charles's law is based on the principle that the volume of the gas is equal to the…

Q: Which of the following would not increase carbon dioxide in the atmosphere

A: Only 0.04% of the earth's atmosphere is made of carbon dioxide. But this CO2 plays a very crucial…

Q: Given reason for the following :– (a) Aquatic species are more comfortable in cold water than in…

A: Introduction:  The solubility of gases in solvents is measured using Henry's law. The partial…

Q: Warm water ______________________________. a. expands b. shrinks c. is more acidic d. two of the…

A: Warm water can be referred to as the process of temperature increase with reference to normal water…

Q: Base your answers to questions 9 and 10 on the results of a water quality test shown below. 9. What…

A: Water quality tests can be defined as the test performed to check whether water is potable for human…

Q: The relative humidity in pore spaces is high in soils in tropical areas but low in desert soils.…

A: The tropics are warm all year, averaging 25 to 28 degrees Celsius. Desert surfaces receive a little…

Q: Which of the following statements could explain why sometimes when there are clouds in the sky there…

A: Clouds contains huge amount of water droplets.Clouds are present in the air.Clouds are formed by…

Q: A primary danger of increased ocean acidification is that... O disruption of pH levels can impact…

A: Introduction :- The process through which the ocean's alkaline pH drops to a more acidic pH is known…

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: Which of the following does not vary predictably with the depth ofthe aquatic environment?a.…

A: In aquatic environment, the amount of dissolved oxygen, nutrients, temperature and penetration of…

Q: The area where the density of seawater rapidly increases with depth is known as the O a Pycnocline O…

A: The aquatic body refers to the body of water such as sea, ocean etc.

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: Aquatic organisms that are hypoosmotic relative to the surrounding water tend to A. Gain water from…

A: Aquatic organisms that are hyposmotic relative to the surrounding water tend to gain salts from 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: You are testing a sample of water from a nearby lake that has very few fish living in it and you…

A: Diffusion from the environment, aeration of the water as it tumbles downfalls and rapids, and as a…

Q: What problem is faced by organisms that live in fresh water? a. Their bodies tend to take in too…

A: From the area of higher concentration to the area of lower concentration, diffusion occurs. It…

Q: Predict what will happen to Grandpa’s blood pH as his condition (Idiopathic pulmonary fibrosis)…

A: Idiopathic pulmonary fibrosis is a specific form of progressive, chronic, fibrosis interstitial…

Q: What problem is faced by organisms that live in freshwater?a. Their bodies tend to take in too much…

A: Freshwater tends to be an issue, even for the fishes which live in it. Water has a habit to travel…

Q: 2. Choose the appropriate boxes describing what happens to the pH and separately the Alkalinity of a…

A: Seawater is under constant threat of acidification which might harm the growth and survival of…

Q: Which of the following substances is NOT classified as “detritus”? A. Dead leaves B. Fecal wastes C.…

A: Detritus generally refers to dead organic matter that is present in the soil or water. These dead…

Q: MAXIMAL HUMIDITY 1. the amount of water vapor in grams per cubic meter of air at a given temperature…

A: The measurement of water vapour (moisture) in the air, irrespective of temperature, is known as…

Q: When air is heated, it and can hold water. O rises, less O sinks, less O rises, more sinks, more

A: When air is heated, the molecules will start to vibrate and bump into each other.

Q: What problem is faced by organisms that live in fresh water? a. Their bodies tend to take in too…

A: Answer- Every organism tries to maintain homeostasis and do not prefer any changes in their habitat.…

Q: In a biology lab, it is critical to de-gas a polyacrylamide gel solution before pouring it so that…

A: Gel electrophoresis is a molecular technique used in the laboratory to separate charged molecules…

Q: The wastes excreted from the lungs are:A carbon dioxide and excess oxygenB carbon dioxide and…

A: Lungs are a pair of spongy, air-filled organs located on the either side of the chest. The chief…

Q: Ocean acidification-the ongoing decrease in the pH of the Earth's oceans-is a consequence a climate…

A: Ocean acidification is defined as increase in the acidity of oceans.

Q: Ifa person were to place a marine fish into a fresh water lake, water woulddiffuse:a.up its…

A: A solution is said to be a homogeneous mixture of two or more components in any one phase(solid,…

Q: 9. The water in warmer streams possess d. Feed the beans to the chickens, wait for the chickens to…

A: C. More ,less,more

Q: A- The function(s) of the structure indocated by bracket A in the image above is/are deposit feeding…

A: Various organisms have various structures to obtain food, to undergo gaseous exchange and also to…

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: Being as specific as possible, discuss how global warming can beexpected to alter the water…

A: The release of greenhouse gases in the air has caused an increase in the global temperature called…

Q: one of these statement is incorrect .A One of the advantages of the cryogenic is little pain .B The…

A: Cryo means extreme cold. Cryosurgery refers to the process of killing cells and tissues by use of…

Q: Dissolved oxygen levels are higher in calm bodies of water.

A: Like the air we inhale, aquatic life also relies upon an adequate degree of oxygen disintegrated in…

Q: Beaker Amount of water Starting temperature ("C) Ending temperature ("C) 100 28 28 85 85 95 B. 200…

A: (B) Beaker A has lower volume of water i.e. 100ml only; while beaker B has 200ml hence it takes more…

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: Diaphragm used in diaphragm cell process is .a Asbestos .b Woven fabric .C Wooden material .d Poly…

A: The Diaphragm cell is an electrolytic cell used to produce sodium hydroxide and chlorine from a…

Q: Incoming solar radiation from the sun is known as: Group of answer choices a. subsolar point b. the…

A: Sun is a star that supports the life on earth by the solar energy it radiates. The source of this…

Q: A river reached a flood that was passing through it. At a given instant, the storage of water in the…

A: A branch of earth science that is related to the water in streams and lakes, rainfall and snowfall,…

Q: When a water column cavitates, an air bubble is formed. The technical name is an…

A: Introduction  Plants need continuous supply of water and nutrients for their survival and growth.…

Q: Divers who go to great depths in the ocean experience large differences in pressure between the…

A: The Bends - an illness that is caused by the rapid release of nitrogen and bubbles forming in the…

Q: Choose the correct answer. Encircle the letter of the correct answer. 1.) These processes involve a…

A: Encircle the letter of the correct answer. 1.) These processes involve a change in the physical…

Q: e to human activities more carbon dioxide (CO2) is dissolving into the air, the ocean re CO2 and…

A: Because of human activity, the amount of carbon dioxide in the atmosphere is rising daily. About 30…

Q: Decompression sickness a.k.a. the bends results from a. the blocking of tiny vessels by bubbles b.…

A: Decompression sickness or the bends is a disorder that is caused by the decrease in the surrounding…

Physical and Chemical features

The physical property of a compound could be determined without modifying the originality of the compound. Examples of physical properties are density, hardness, color, boiling, and melting point. The chemical property expresses the ability of a compound to undergo a particular chemical change.