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3 years ago

What are the drawbacks of desalinating water?

Biology

2 answers:

Oksanka [162]3 years ago

7 0

For the desalination of salt water a draw back is that it's more costly than fresh water

stiv31 [10]3 years ago

6 0

Answer:

Explanation:

Desalinating water is the freshwater in which the whole salt content has been removed. It is obtained from removing the salt content of the sea water.

The following are the drawbacks of the desalinating process:

1. It is unfit for the purpose of consumption like freshwater obtain from rivers, lakes and ponds.

2. The water desalinating plant produces greenhouse gases which can contaminate or pollute the environment.

3. The process of desalination is costly, time and labor consuming.

4. The salt or brine obtain after this process when stored to any region can produce hazardous impact over the environment. This can kill vegetation and wildlife.

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Which formation is the result of wind erosion?

Dovator [93]

Of the following given choices;

A. glacial erratics B. U-shaped valleys C. unusually shaped rocks D. mudslides.

The answer is; C.

The wind carries soil particles is it blows. These soil particle hit on rocks in their path and over time gradually erode the rocks. An example of this type of erosion is the aeolian process. Usually the bottom o the rock is eroded more than the top. This is because the bottom is hit by larger soil particles that are heavier to carry by the wind. An example of rock formed in this process is attached in the picture below.

8 0

3 years ago

Community ecologists study the factors that determine the abundance of different species. The Abundance of three algae species (

Tema [17]

Answer:

Explanation:

Given that:

The abundance of three algal species in Lake A is now represented by the vectors:

[97, 84, 43] and [100, 80, 50]

Now if we look at Lake A, the change occurring in the vector of algae species can be determined as:

a = [100 -97, 80 - 84. 50 - 43]

a = [3, -4, 7]

Thus, the magnitude of that change is:

$|a| = \sqrt{(3)^2 +(-4)^2+(7)^2}$

$|a| = \sqrt{9+16+49}$

$|a| = \sqrt{74}$

$|a| =8.6 \ mg/mL$

The abundance of three algal species in Lake B is now represented by the vectors:

[25, 59, 22] and [20, 63, 15]

At Lake B, the change occurring in the vector of algae species can be determined as:

b = [20 -23, 63 - 59. 15 - 22]

b = [-3, -4, -7]

Thus, the magnitude of that change is:

$|b| = \sqrt{(-3)^2 +(4)^2+(-7)^2}$

$|b| = \sqrt{9+16+49}$

$|b| = \sqrt{74}$

$|b| =8.6 \ mg/mL$

Hence, for both Lake A and B, the magnitude of change is the same.

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2 years ago

You are trying to match DNA found at a crime scene with two possible suspects. Why would it be a better use of your time and res

Sunny_sXe [5.5K]

Answer: A double restriction digest

Explanation: A double restriction digest is a process were two restriction enzymes are used to digest DNA in a single reaction.in double restriction digest you will observe two bands,while in single restriction digest you will observe just one band. In double restriction digest no

Self - ligating plasmid because it create mismatch ends. It also aids in directional in section while single disgestion you have to screen your clones to be sure to get your plasmid with correct insert orientation.

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3 years ago

Which statement describes the relationship between the deer and plants on the food web? Tree is consumed by insect, which is con

True [87]

Answer: A. Autotrophs supply food for the heterotrophs.

Explanation: A deer is a heterotroph and a plant is a autotroph. Examples of heterotrophs are animals and humans, and examples of autotrophs would be plants and algae. Therefore, because a deer consumes plants that means that autotrophs supply food for the heterotrophs. And by the way I did the exam myself and got this answer correct!

8 0

2 years ago

Which natural occurrence is an example of a long-term environmental change?

pychu [463]

Answer:

The answer is D because it is the only example that takes place over a long period of time.

Explanation:

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3 years ago

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