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3 years ago

Which of the following is NOT a solution to protect the water in the two wells in danger of becoming contaminated?

Biology

1 answer:

Anton [14]3 years ago

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Answer:

The correct option is C. Building a well between the two wells that goes deeper into the earth would not stop the water from being polluted .

Explanation:

Even if a well was constructed between the wells B and C, it wouldn't have stopped the contamination of the water. As the oil would still be leaking and it would contaminate the wells.

All of the other options can be used to stop the contamination.

Option A suggests building an impermeable membrane that would stop the oil flow. Hence, the water in the wells will not be contaminated.

Option B suggests not using the water from the wells and using an alternate water supply. The alternate water supply wouldn't be contaminated with oil.

Option D suggests chemically purifying the contaminated water. This can be an effective technique to clean the contaminated water.

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Give a brief explanation of why food webs are preferred over food chains for representing the flow of energy in an ecosystem.

olga nikolaevna [1]

<h3><u>The Food webs are preferred over food chains for representing the flow of energy in an ecosystem for the following reasons: </u></h3>

The food webs are higher in complexity when compared to food chains and also, in food web, more than one primary producers is present which increases the 'flow of energy' in the ecosystem.

Food web represents the real life better than the food chains do.

Food web shows many different paths through which the organisms can be connected.

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3 years ago

A cell contains Select one: a. one kind of enzyme that promotes thousands of different chemical reactions. b. thousands of diffe

Ann [662]

Answer:

The answer is letter B

Explanation:

A cell contains thousands of different kinds of enzymes, each promoting a different chemical reaction.

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3 years ago

Natalie wants to surprise her daughter on her birthday. So, Natalie orders her daughter’s favorite toy online. Workers wrap the

attashe74 [19]

It is the endoplasmic organelle.

Hope this helps

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3 years ago

Read 2 more answers

A wild-type tomato plant (Plant 1) is homozygous dominant for three traits: solid leaves (MM), normal height (DD), and smooth sk

Brut [27]

Answer: In this type of cross between MmDdPp and mmddpp, the phenotypic ratios in the eight possible phenotypes are as follow; a. solid, normal, smooth = 1:8

b. solid, normal, peach = 1:8

c. solid, dwarf, smooth = 1:8

d. solid, dwarf, peach = 1:8

e. mottled, normal, smooth = 1:8

f. mottled, normal, peach = 1:8

g. mottled, dwarf, smooth = 1:8

h. mottled, dwarf, peach = 1:8

Explanation: The number of gametes that can be formed from a particular genotype is given as 2^n where n is the number of heterozygous loci. In the genotype MmDdPp, n = 3. Therefore, 8 gametes can be formed.

In genotype mmddpp, n = 0. Therefore, only one type of gamete can be formed.

Crossing the two genotype (MmDdPp and mmddpp) as shown in the attached image, 8 possible offsprings can be achieved. Phenotypes of these offspring had been stated earlier. The phenotypic frequency of each of these offspring is one out of eight (⅛).

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3 years ago

Keeping doors and windows closed helps the environment because ___.

horsena [70]

A makes the most sense, though D could actually be an Ok reason, the other two aren't reasonable, a fire safety action? The door would be better open in a fire emergancy, it makes a quicker escape

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3 years ago