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Dvinal [7]
3 years ago
6

What is an underlying problem affecting the freshwater

Biology
1 answer:
Nastasia [14]3 years ago
3 0

our water pipes, and the led in some water sources.

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Construction workers attach ropes and pulleys to wooden timbers on an old bridge.
balu736 [363]

Answer:

It is a safe and efficient method.

Explanation:

This method of dismantle the bridge is also a good one but there are some other methods also that are used instead of rope and pulley system such as destroy the bridge by using bombs at the base of pillars and cutting of each part in order to dismantle the bridge. This rope and pulley system is also an efficient way to dismantle the bridge so that's why the engineers used this method instead of other methods due to its safe method.

5 0
3 years ago
If DNA is a long chain of genes, where does one gene stop and the next gene begin?
love history [14]

Answer:

Simply stated translation starts at a start codon (ATG) and stops at a stop codon (TGA, TAG, or TAA).

Explanation:

4 0
3 years ago
What animals eat annual flowers?
seraphim [82]
Squirrels, chipmunks, rabbits, deers, and groundhogs.

hope this helps.
7 0
3 years ago
What maintains the secondary structure of a protein?
vichka [17]

Answer:

The correct answer is a. hydrogen bonds between the amino group of one peptide bond and the carboxyl group of another peptide bond.

Explanation:

The secondary structure of proteins are formed by α-helices and β-structures, that can be supported by hydrogen bonds between amine hydrogens and another peptide bond.

7 0
3 years ago
Which form of cell transport allows small molecules to move from an area of higher concentration to an area of lower concentrati
Iteru [2.4K]
It's called Simple Diffusion.

6 0
4 years ago
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