Pls, help I don't get it Compare and contrast Marine and freshwater ecosystems

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Answer 1

The saltwater of the ocean creates the marine ecosystem. Freshwater bodies of water, such as lakes, ponds, streams, and rivers, make up the freshwater ecosystem.

What are ecosystems?

All the organisms and the physical setting they interact with make up an ecosystem. The nutrition cycles and energy flows connect these biotic and abiotic elements.

The marine biome, which makes up around 70% of the planet's surface, is the largest biome. On Earth, freshwater biomes make up about 20% of the land. The salt content distinguishes the two. They both have several aquatic animal species.

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Related Questions

Which of the following is not true about the volume of a gas? O Generally, the volume can be easily changed. O Most of the volume is empty space. O The volume is occupied by particles in continuous, rapid, random motion. O The volume is about 10 times greater than that occupied by an equal number of particles in the liquid or solid state.

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Answer:

O The volume is about 10 times greater than that occupied by an equal number of particles in the liquid or solid state.

H2(g)+O2(g)→H2O(l) Express your answer as a chemical equation. Identify all of the phases in your answer.

Answers

Phases in the given chemical reaction:

Hydrogen H₂ is in gas (g) phase

Oxygen O₂ is in gas (g) phase.

Water H₂O is in liquid (l) phase.

What is a phase?

A phase in thermodynamics that is a chemically and physically homogeneous or homogeneous amount of substance that can be mechanically separated from a heterogeneous mixture and that can consist of a single substance or a mixture of substances. The three basic phases of matter are solid, liquid, and gaseous (vapor), but others are believed to exist, including crystalline, colloidal, glassy, amorphous, and plasma phases. A phase change is said to have occurred when a phase changes from one form to another.

For the given reaction,

H₂(g) + O₂(g) → H₂O(l)

Hydrogen and oxygen are present in gaseous phase, while water is in liquid phase.

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how many electrons are gained in a balanced half-reaction in which chlorine gas is reduced to the aqueous chloride ion?

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Each chlorine atom acquires an electron during the reaction to create a chloride ion (Cl-), which is the process known as reduction.

What is an example of a redox reaction?

A redox reaction is when there is simultaneous oxidation and reduction. CuO+H2→Cu+H2O. Example: In this process, hydrogen is oxidized to water while copper oxide is reduced to copper.

Combination, breakdown, displacement, combustion, and disproportionation are the five primary categories of redox processes.

The definition was eventually expanded to cover additional processes in which electrons are lost, regardless of whether oxygen was present, because it was understood that the material loses electrons when it is oxidized.

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What type of nuclear reaction occurs in the Sun?

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Hello,

I hope you and your family are doing well!

The nuclear reactions that occur in the Sun are fusion reactions.

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three moles of a monatomic ideal gas undergoes an isochoric process in which the temperature changes from 500 k to 300 k. calculate the change in volume during this process (in m3).

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Change in volume is 0 m3 when three moles of a monatomic ideal gas undergoes an isochoric process in which the temperature changes from 500 k to 300 k.

An isochoric process, also known as a constant-volume process, isovolumetric process, or isometric process in thermodynamics, is a thermodynamic process where the volume of the closed system having undergone such a method remains constant.

In everyday life, we see an isochoric process once we boil the water in a pressure cooker. Because the temperature increase is accomplished at a constant volume, we encounter an isovolumetric process when we transfer heat to the container.

In this problem we have T1=500K T2=300K

Since in isochoric process volume in constant, change in volume = 0

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what is the reaction between phosphate ion (PO4 3-) and hydronium ion (H3O+)

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Answer:

H3O+(aq) + PO43−(aq) ⇌ HPO42−(aq) + H2O(l)

Notice that the total charge (2-) is the same on both sides of the equation, and that this is reaction can take place in both directions.

Explanation:

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