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iragen [17]
2 years ago
12

What proof do you see that contaminated water seeped into the well? How could scientists use a similar approach to understand wa

tershed in a community?
Emmerson is making a model of a well. He places screen material into a vase. On one side, he adds a layer of aquarium gravel and then tops it with soil. These layers model the rock and soil layers outside the well. Emmerson leaves the space on the other side of the screen empty to model the inside of the well.
Mathematics
1 answer:
Veseljchak [2.6K]2 years ago
6 0

Answer:

because of the fungus that may have growne is the asnwer

Step-by-step explanation:

You might be interested in
Tammy accidentally wrote a check for more money than she had in her checking account. When she got her statement, she saw that h
sergejj [24]

Answer:

-100

Step-by-step explanation:

1/5 of -125 will be -25.

So, if she deposits 1/5 of what she owes, then she will deposit $25.

Her balance will then become -100 because she paid back 25.

Her new balance is -100

7 0
3 years ago
Determine the slope of the line that passes through the given points. Complete your work in the space provided.
kupik [55]

Answer:

0

Step-by-step explanation:

Slope formula y2-y1/x2-x1

-4-1/8-8

simplify

-5/0

slope is 0

6 0
2 years ago
What is the equation of a circle with a center at (0, 0) and a radius of 4.5?
Nesterboy [21]
If the center of the cercle is (0,0) then the standard equation becomes"

x²+y²=(4.5)²
7 0
3 years ago
Find out the Range coefficient of the range
Alex777 [14]

Answer:

0.4494

Step-by-step explanation:

Given :

marks number of students

20-29 8

30-39 12

40-49 20

50-59 7

60-69 3​

The range Coefficient is obtained thus :

Range Coefficient = (Xm - Xl) / (Xm + Xl)

Where ;

Xm = Mid value of highest class = (60+69)/2 = 64.5

Xl = Mid value of lowest class = (20+29)/2 = 24.5

Range Coefficient = (64.5 - 24.5) / (64.5 + 24.5)

Range Coefficient = 40 / 89 = 0.4494

7 0
2 years ago
What's the next number for this pattern 2,3,5,9,17 is it a.34 b.31 c.32 or d.33
Igoryamba
The answer is D 33 because it starts by adding 1 and then doubles the amount added every time<span />
5 0
3 years ago
Read 2 more answers
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