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Oksanka [162]
3 years ago
9

Why is nonpoint source pollution difficult to control?

Biology
1 answer:
bixtya [17]3 years ago
6 0

Answer:

because it comes from the everyday activities of many different people, such as fertilizing a lawn, using a pesticide, or constructing a road or building.

Explanation:

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According to the World Health Organization, persistent organic pollutants (POPs) are found in nearly all tested organism tissues
olga55 [171]

Answer:

POPs are lipophilic, which means that they can be stored in fatty tissues for long periods of time.

Explanation:

8 0
2 years ago
The ________ is a substage lens that concentrates light on the specimen.
stiks02 [169]

Answer:

microscope's condenser

Explanation:

The microscope's condenser is a substage lens that concentrates light on the specimen.

<em>The condenser of a microscope is a structure that helps concentrate light rays from the light source to illuminate the specimen on the stage of the microscope. It is made up of a system of lens that converges the ray of light and an aperture diaphragm that can be used to control the amount of light that gets to the specimen on the stage of the microscope.</em>

6 0
2 years ago
It is believed the major reason for the decline in amphibian species is _______.
hichkok12 [17]
From my speculation it is loss of habitat and global warming
3 0
3 years ago
Read 2 more answers
Which of the following is NOT a feature of cardiac muscle fibers?
Andreyy89

Answer:

(1)They are usually multi-nucleated.

Explanation:

Cardiac muscles are one of the three muscles found in the human body (the other two being skeletal and smooth muscles). It is the only type of muscle found in the heart. Cardiac muscle cells have a single nucleus unlike the skeletal muscle cells.

They possess many large mitochondria in their cell, which enable them actively carry out the process of aerobic respiration. The cardiac muscles contains an enormous amount of myoglobin pigment, which enable them store and transport oxygen. Due to the high glucose in its cell, excess glucose is readily stored as Glycogen, making it rich in glucose.

Based on the explanation, being MULTI-NUCLEATED is not a feature of cardiac muscle fibers.

8 0
2 years ago
If one amino acid is a protein sequence is changed what could happen
Sophie [7]
<span>The correct answer is that a completely different protein will be synthesized. Proteins are made out of long chains of amino acids. There's 500+ of them but only 20 or so are used for humans. They have infinite amounts of combinations and each combination synthesizes a different protein. Our body knows what it needs so it synthesizes it from food that we take.</span>
6 0
2 years ago
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