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lakkis [162]
3 years ago
8

Will give brainliest PLEASE HELP NOW!!!!

Biology
2 answers:
sleet_krkn [62]3 years ago
7 0

I believe Na+F2 -> 2NaF is the balanced equation.

Vedmedyk [2.9K]3 years ago
5 0

Answer:

The answer is  

2Mg+O2→2MgO

Explanation:

I just took the test on k12 lol

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The Champaign-Urbana area has long been suffering from the heinous pathogenic bacterium, Michiganious wolverinous, which causes
Nadusha1986 [10]

Answer:

The correct answer is option a, that is, 3000 cases.

Explanation:

The measurement of all the individuals getting influenced by the disease at a specific time is known as the prevalence. On the other hand, the measurement of the number of novel individuals that came into contact with a disease during a specific time duration is known as the incidence.  

Based on the given question, the number of prevailing cases carried from 2018 to 2019 is 2000, and the new diseases recorded in the year 2019 is 1000 (incidence). Therefore, the prevalence of the disease in 2020 will be 3000 cases.  

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3 years ago
The solutions in the two arms of this U-tube are separated by a membrane that is permeable to water and glucose but not to sucro
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Answer:

Intially the glucose concentration is levelled and then the liquid level in side A will rise.

Explanation:

  • Initially the liquid ob both sides are in isotonic condition.
  • The membrane is permeable to glucose so glucose will diffuse from higher concentration (2 M) to lower concentration (1 M) until the concentration become equal (1.5 M) on both sides.
  • Know, the Side A have 2 M sucrose and 1.5 M glucose and  side B have 1 M glucose and 1 M sucrose.
  • The side A will become hypertonic and side B will become hypotonic and water will start moving from side B to side A.

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These graphs show a change in four types of greenhouse gases from 1975 to 2015. Based on the results of your experiment, how mig
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The first one

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How many centimeters can air pressure at sea level push a column of mercury up a tube?
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Answer: At sea level and at a temperature of 0° Celsius (C), the height of the mercury column is approximately 30 inches, or 76 centimeters. This represents a pressure of approximately 14.7 psia. The 30-inch column is used as a reference standard. Atmospheric pressure does not vary uniformly with altitude.

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Think of Earth as a ball with a rod through it, standing for the axis. This makes it easier to imagine Earths orientation in spa
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A ball is thrown straight up from a rooftop 320 feet high. The formula below describes the ball's height above the ground, h, in feet, t seconds after it was thrown. The ball misses the rooftop on its way down and eventually strikes the ground. How long will it take for the ball to hit the ground? Use this information to provide tick marks with appropriate numbers along the horizontal axis in the figure shown.

h=-16t^2+16t+320

8 0
3 years ago
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