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Ainat [17]
2 years ago
13

How are humans potentially vulnerable to some of these same chemicals? How are humans potentially vulnerable to some of these sa

me chemicals?
What should the government and/or industry do about these emerging contaminants?

What can you do to make water safer for yourself, your community, and the fish?
Physics
1 answer:
Svetradugi [14.3K]2 years ago
6 0
The 5 major unit processes include chemical coagulation, flocculation, sedimentation, filtration, and disinfection (described below). There are chemicals added to the water as it enters the various treatment processes.
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What happens when a chemical change takes place?
mart [117]
<span>When chemical change takes place, the atoms in the reactants rearrange and bond together differently to form one or more new products with different characteristics. </span>
5 0
3 years ago
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You pull with a force of 77 N on a piece of luggage of mass 23 kg, but it does
Vinvika [58]

Answer:

The force of static friction acting on the luggage is, Fₓ = 180.32 N

Explanation:

Given data,

The mass of the luggage, m = 23 kg

You pulled the luggage with a force of, F = 77 N

The coefficient of static friction of luggage and floor, μₓ = 0.8

The formula for static frictional force is,

                                      Fₓ = μₓ · η

Where,

                                  η - normal force acting on the luggage 'mg'

Substituting the values in the above equation,

                                   Fₓ = 0.8 x 23 x 9.8

                                        = 180.32 N

Hence, the minimum force require to pull the luggage is, Fₓ = 180.32 N

5 0
3 years ago
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A wave with a period of 0.008 second has a frequency of?
tatyana61 [14]
The formula for frequency is f = 1/T where f is frequency and T is period in seconds. 
You have you period which is 0.008s and that is all you will need to solve or frequency in a wave:
f = 1/2
f = 1/0.008s
f = 125Hz
6 0
3 years ago
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A marble statue has a mass of 6,200 grams and a volume of 2,296 cm3. What is the density of marble?
Elan Coil [88]
D= m/v
d= 6200/2296
density = about 2.7
6 0
3 years ago
Dale skis down a hill with a slope of 30°. Given that there is friction acting
Zarrin [17]

Answer:

The answer is A.

Explanation:

8 0
3 years ago
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