Why can an insect "walk" on water? O The insect's weight is negligible. O Water has a low density. O Water has a higher surface tension. The insect must obtain oxygen to survive.

Q: The most abundant elements

A: Macromolecules are the type of large and complex molecules. These are formed by the condensation of…

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A: Drinking water is a simple concept, yet it is a difficult procedure to master. Because of pollutants…

Q: In the supermarket why do they their produce with water on a regular basis?

A: Hi, Thanks For Your Question.  Answer : The Reason Behind This Is To Maximize Profit. It Also Makes…

Q: What is the problem caused by 2. P. In your own words, what is acid rain? acid rain? 4jn your own…

A: Acid rain occurs when acid is produced in both wet and dry forms, such as raindrops and snow.

Q: The amount of energy needed to raise one gram of water one degree Celsius is calleda. a calorie. b.…

A: BASIC INFORMATION ABOUT ENERGY CURRENCY OF THE BODY  ATP  It stands for Adenosine Tri - phosphate.…

Q: How do proteins regulate fluid balance?    A. Proteins repel water.  B. Proteins attract water.  C.…

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

A: Humidity is known as the presence of water vapor in the atmosphere. This is measured by an…

Q: How do some insects walk on water?

A: Step 1 Insects are the largest class of not only Arthropoda but of the whole animal kingdom.…

Q: Which water sample would dissolve the most oxygen? O Pure water at 21 C Seawater at 21°C Seawater at…

A: The solubility of oxygen in water is known as dissolved oxygen. It depends upon several factors such…

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: Water resistant temperature change because ____. A) large bodies of water cannot store heat B)…

A: Water is an inorganic chemical substance. It is the main constituent of the hydrosphere of the earth…

Q: Compared to the density of liquid water, the density of an ice cube is (1) always less (2) always…

A: Density is defined as mass per unit volume. The average density of a substance is calculated by…

Q: Don Juan Pond in Antarctica is the most hypersaline (i.e. saltiest) body of water on earth. Imagine…

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Q: Some people have proposed trying to artificially change the chemistry of seawater to make it more…

A: A solution can be categorized as acidic, neutral, or alkaline on the scale of pH. The scale has a…

Q: 2. Use the information on the image below to find the following: h=5 cm work w=6 cm ASKI 1=8 cm MASS…

A: Given object is a cuboid which has six faces .A cuboid is a three dimensional shape which has 8…

Q: When a molecule of water dissociates, , H+ and OH- are formed. O 2,2 O 2,1 O 1,2 О 1

A: Water is a compound that is present everywhere in the environment. It is an inorganic, tasteless,…

Q: What are two ways that you could increase the speed of sound in water? increase salinity & pressure…

A: In seawater, sound travels at a speed of around 1500 metres per second. In air, sound travels at a…

Q: Chapter 3 Question 45 Which of the following graphs describes the relationship between [H3O+) and…

A: The pH of a solution is defined as the measurement of how acidic or basic an aqueous solution is.…

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: If you add carbon dioxide to seawater, as occurs when bacteria or animals respire or atmospheric CO2…

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Q: What would the dissolved oxygen level most likely be if the temperature of the water was 35C

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Q: Why does salt melt ice? O a it lowers the freezing point of water O b it heats up the ice O c it…

A: Normally water freezes at 0°C to form ice.This is the normal freezing point of ice. Upon additon of…

Q: ess dense. Why is this change in the water beneficial to the organisms living in the lake? As the…

A: Water molecules can make intermolecular and intramolecular hydrogen bonds.

Q: Which of the following demonstrates cohesion? O a Water clinging together to form a raindrop. Rain…

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A:

Q: If you add carbon dioxide to seawater, as occurs when bacteria or animals respire or atmospheric CO2…

A: Ans-  The H+ derived from CO2 will combine with carbonate, CO32-, to form bicarbonate

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: As water is chilled, its molecules slow their movement, and H-bonds form and hold water molecules…

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Q: why cant human live without water? explain in scientific explanation

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A: Cohesive forces are the forces that act between the similar molecules of water and Adhesive forces…

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: 1. Put the glass into the water upside down. 2. Lift the glass up, but without the rim going above…

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Q: Supply the missing item/s 6. are substances that can be attracted to water. 7. L 8. interactions…

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Q: A student has two objects. Object 1 has a mass of 10 g and a volume of 5 cubic centimêtērs. Object 2…

A:

Q: B. Can you use volume alone to predict whether an object will sink or float? Explain. 4. Draw…

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Q: Biology: Discuss the many properties of water H2O? And also give several examples of the important…

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Q: Holdfasts are adaptations to the_in/of water. O nutrients O salinity movement O pH

A:

Q: Describe the phenomenon (what problem needs to be solved?) of water and milk bubbles

A: It is water vapour that is the gaseous form.   They form gaseous molecules of water vapour as this…

Q: There’s lots of oxygen in water (H2O). Why can’t fish breathe that? Why do they have to breathe…

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Q: The property of water that allows the basilisk lizard to run across the surface is from which of the…

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Q: What is the quality of water that our bodies use to cool us down during sweating? O cohesion high…

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Q: Importance of water in our biological

A: Water is a liquid consist of chemical elements like oxygen and hydrogen. It is an important compound…

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A: Correct answer is option d.

Q: Water’s life-supporting properties such as cohesion and temperature stabilization are due to:…

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Q: a hydrophob n't have to c salt water c) What part membrane?

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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.