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asambeis [7]
3 years ago
15

Why does the oxygen atom in a water molecule have negative charge?

Biology
2 answers:
son4ous [18]3 years ago
4 0

Answer:

to be able to combine with hydrogen

Explanation:

law of electrostatic induction

ipn [44]3 years ago
4 0
In a water molecule, the oxygen atom and hydrogen atoms share electrons in covalent bonds, but the sharing is not equal. ... The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms.
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Which of the following is a concern if you forgot to resuspend (mix) culture solutions when performing serial dilution?
Illusion [34]

Answer:

B) CFU/mL calculations would not be accurate

Explanation:

In microbiology CFU is the acronym for Colony Forming Unit, which indicates the number of bacteria or fungi capable of multiplying under suitable conditions. In this case, CFU/mL indicates how much bacterial or fungal cells, susceptible to reproduction, exist within 1 mL of a culture solution.

When this solution is used, to make a dilution or other laboratory activity, it is important that it be resuspended, that is, mixed, as the bacteria or fungus cells can accumulate in the bottom or surface of the substance, changing the value of CFU/mL and causing inaccurate dilutions if used. When resuspended, the substance presents the appropriate value of CFU/mL, ensuring that the dilution is accurate and effective.

3 0
3 years ago
How would I determine the classification of sugar ants?
uysha [10]

To be honest, I don't know BUT what I do know is the classification of a sugar ant and they are Camponotus consobrinus!

I hope this helps (but I know It don't)

3 0
3 years ago
The adult technique for cpr is used when a victim is this age
nekit [7.7K]
The adult technique is used on people of ages 12 and older
8 0
3 years ago
Some students believe that if they drink a glass of milk before bed and would make them sleep longer what’s the independent vari
miss Akunina [59]

Answer:

Independent variable: Glass of milk

Dependent variable: Time of sleep

Control variable: same type of milk

Explanation:

Independent variable in an experiment refers to the variable that the experimenter manipulates or changes in order to get a response in another variable (dependent). In this case, the independent variable is the GLASS OF MILK taken before bed.

Dependent variable is that variable that is measured in an experiment. It is the variable that responds to the changes made to the independent variable. In this experiment, the dependent variable is the TIME OF SLEEP of the students.

A control variable or constant is the variable that is kept unchanged throughout the course of the experiment in order not to alter the outcome of the experiment. In this experiment, a control variable can be the SAME TYPE OF MILK taken by each student.

6 0
3 years ago
Which is required for sexual reproduction?
m_a_m_a [10]

Answer:

Meiosis

Explanation:

Haploid number of chromosomes

8 0
3 years ago
Read 2 more answers
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