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2 years ago

What steps should be taken to figure out a yard soil problem using the scentific method?

Biology

1 answer:

xenn [34]2 years ago

3 0

Answer: Soil Sampling.

Explanation:

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An atom of sodium has an atomic number of 11 and a mass number of 23. Which of the following statements is correct? *

arlik [135]

Answer:

the third one is correct

explanation

because atomic number and proton &electron number is same . neutron number is solved as atomic mass minus atomic number ( N=atomic mass - atomic number)

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2 years ago

What is a model?

almond37 [142]

I think the answer is c but I looked it up and got this: system or thing used as an example to follow or imitate.

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3 years ago

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Find the slope between (0,-7) and (7,0). Reduce it. show work

lana66690 [7]

Answer:

$\displaystyle m=1$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)
Slope Formula: $\displaystyle m=\frac{y_2-y_1}{x_2-x_1}$

Explanation:

Step 1: Define

Point (0, -7)

Point (7, 0)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute in points [Slope Formula]: $\displaystyle m=\frac{0+7}{7-0}$
[Fraction] Add/Subtract: $\displaystyle m=\frac{7}{7}$
[Fraction] Divide: $\displaystyle m=1$

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3 years ago

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!PLEASE HELP ASAP I NEED TO COMPLETE THIS TEST IT IS A REALLY HIGH GRADE!!!!!!!!!!!!!!!!!!!!!!!!!!

LenKa [72]

Answer:

The main purpose of the circulatory system is to transport blood, oxygen, nutrients and hormones to and from different cells and tissues throughout the body.

Explanation:

This system works hand-in-hand with the respiratory system to facilitate the exchange of oxygen and carbon dioxide within the blood per the alveoli in the lungs.

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3 years ago

True or False: Pumpkins only come in one color, orange. True. False

Anit [1.1K]

False because the pumpkin could have been mixed with a different kind of pumpkin which may have affected the color.

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3 years ago

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