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Deffense [45]
3 years ago
9

Why are the EPA's water quality standards useful?

Biology
1 answer:
professor190 [17]3 years ago
4 0
It can help determine the quelity and safety of water. This can be a good deciding factor of choosing between tap vs bottled water. If the rating is too bad you should choose to use bottled water
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Drag each tile to the correct box.<br> Arrange the layers and faults from oldest to youngest.
kaheart [24]

The answers would be:

Layer D

Layer C

Layer B

Layer A

Layer E

Fault F

If you'd like to know why, here's more about the question:

The law of superpo sition states that the lower the layer, the older the rock is.

Looking at the layers alone, we can say that D is the oldest, and C would be next, so on and so forth.

The law of cross - cutt ing relationships, on the other hand, states that a geologic event, like a fault, is younger than the layer that it goes through.

So if we look at the figure given, the fault goes through all the layers, so we can say that it is younger than all the layers.

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6 0
3 years ago
Which of the following groups of animals has the most efficient gas exchange?
Lana71 [14]

Answer:

birds

Explanation:

I found a quizlet online with the answer:^

4 0
3 years ago
What is the genotype for red hair?
Basile [38]

The genetics of red hair appear to be associated with the melanocortin-1 receptor (MC1R), which is found on chromosome 16. Eighty percent of redheads have an MC1R gene variant.

I cannot find this source for this I'm sorry. I meant to add it but I lost the site

4 0
2 years ago
Photosynthesis occurs in photosynthetic ____ localized in large organelles known as ____. a. membranes; chloroplasts b. proteins
Aleks [24]

Answer:

The correct answer is option a. Membranes; chloroplast.

Explanation:

Photosynthesis is the process is specific to green plants and other photosynthetic organism converting light energy into storage energy by forming glucose from carbon dioxide and water and oxygen released as a byproduct.

This process involves the green pigment present in the plants called chlorophyll located in the chloroplast. The chloroplast is a double membrane organelle present in green plants. The membranes of the chloroplast are the site of photosynthesis.

Thus, the correct answer is option a. Membranes and chloroplast

7 0
3 years ago
During DNA replication, which nucleotide will bind to an A nucleotide in the original or parental DNA strand?
Volgvan

Answer: nucleotide A will bind to nucleotide T during DNA replication.

Explanation:

In DNA replication, Adenine(A) pairs up with its complementary base Thymine(T). The DNA polymerase which is an enzyme ensures that the nucleotide with base T binds to the base A of parental nucleotide.

4 0
3 years ago
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