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Pavlova-9 [17]
2 years ago
5

Where does most ocean pollution come from

Biology
2 answers:
valentina_108 [34]2 years ago
7 0

Answer:

Ocean pollution is caused by the introduction of toxic materials and harmful pollutants such as agricultural and industrial waste, chemicals, oil spills, and plastic litter into the ocean waters.

AlekseyPX2 years ago
6 0

Answer:

most ocean pollution comes from plastic waste and garbage flood

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Improper temperature control is one of the primary causes of _________.
kogti [31]
Improper temperature control is one of the primary causes of illness or diseases as if the temperature is not set right, it could make bacteria grow or expand which is potentially harmful especially if they are to consume food-- if you food is contaminated with harmful bacteria because of improper temperature control, it could cause the food to be contaminated or spoiled, when consumed, it could led the person to have food poisoning.
8 0
3 years ago
What is the function of the organelle labeled A in the diagram?
slavikrds [6]

Answer:

A is pointing to the cell membrane. The cell membrane's main function is to provide protection for the cell as well as allow substances in and out of the cell due to selective permeability.

Explanation:

Some other functions:

-Endocytosis and Exocytosis

-Cell Signaling

5 0
2 years ago
One g of fecal matter was suspended in 99 ml saline solution (tube 1). After mixing gently but thoroughly, one ml from tube 1 wa
malfutka [58]

Answer: the cfu/g Gram-negative bacteria in the fecal sample is C = 3.0 × 10^3

Explanation:

We know that; Gram negative bacteria looks  pale reddish in color under a light microscope from Gram staining.

therefore

There are 30 red bacterial colonies counted.

1 mL of from tube 1 was removed and added to tube with 99 mL saline (tube 2) dilution is 1/100.

transferred volume  into the plate is 1 mL.

Now, we have to determine the cfu/g Gram-negative bacteria in the fecal sample

Formula to calculate CFU/g bacteria in fecal sample is expressed as;

C = n/(s×d )

where C is concentration (CFU/g) , n is number of colonies , s is volume transferred to plate , d is dilution factor.

so we substitute

C = 30 / ((1/100) × 1)

C = 30 / 0.01

C = 3000

C = 3.0 × 10^3

THERFERE, the cfu/g Gram-negative bacteria in the fecal sample is C = 3.0 × 10^3

3 0
3 years ago
Explain two effects that the study of genes could have on the future.
adoni [48]
1) determine the probability of individuals inheriting a disease
2) In the future, new genetic mutations will arise, and knowing to understand genetics would be important in helping analyze the problem/mutation in genetic recombination.
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3 0
3 years ago
Compared to absolute dating, what is a disadvantage of relative dating?
kotegsom [21]

Answer:

Its B

Explanation:

I took the quiz and choose A, but It was wrong, and the correct answer was B... You're welcome :D

7 0
3 years ago
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