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Misha Larkins [42]
2 years ago
9

If this scenario continues, what do you think will happen to the populations in the next 100 years? why do you think this might

happen?
SAT
1 answer:
oksian1 [2.3K]2 years ago
4 0
What’s the scenario??
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select the three best hypotheses that could explain why the broth in the durham tube appears yellow while the rest of the broth
Tamiku [17]
The test organism ferments sucrose best under reduced oxygen conditions.
The sample was incubated less than 24 hours, which allowed for only limited fermentation.
The media was contaminated.
The organism is an obligate aerobe and therefore can only grow inside the Durham tube.
The media was prepared wrong.
The organism is limited in its ability to ferment sucrose. Since diffusion is restricted within the Durham tube and it contains only a small volume of media, it turned yellow first.
The test organism did not ferment sucrose.

1)The test organism ferments sucrose best under reduced oxygen conditions.
2)The sample was incubated less than 24 hours, which allowed for only limited fermentation.
3)The organism is limited in its ability to ferment sucrose. Since diffusion is restricted within the Durham tube and it contains only a small volume of media, it turned yellow first.
4 0
1 year ago
the spanish had weapons the aztecs had never seen before (including steel swords and cannons), which made it hard for the aztecs
IRINA_888 [86]

Answer:

Explanation:

The weapons were deadly

6 0
2 years ago
If a person takes 30 ml of vinegar a day and the molarity of the vinegar is 0. 84 m then how many grams of acetic acid (hc2h3o2
babunello [35]

The mass of the acetic acid is 1.512 g.

<h3 /><h3>What is Molarity?</h3>

molarity is the concentration of a substance in mol per dm³

From the question,

The number of moles contained in the 30 mL vinegar is

  • n = (0.84×30)/1000
  • n = 0.0252 mol.

the molar mass of vinegar is calculated below.

  • m.m of (HC₂H₃O₂) = [1+(12×2)+(1×3)+(16×2)]
  • m.m = (1+24+3+32]
  • m.m = 60 g/mol.

To calculate the mass of acetic acid, we use the formula below.

  • R.m = n×m.m............. Equation 1

Where

  • R.m = mass of acetic acid.

Substitute these values into equation 1

  • R.m = (0.0252×60)
  • R.m = 1.512 g.

Hence, The mass of the acetic acid is 1.512 g.

Learn more about molarity here: brainly.com/question/20383725

8 0
2 years ago
Who knows someone named Katie because she deleted my question then said you've been warned
evablogger [386]

she did it to me to sadly.

8 0
2 years ago
Read 2 more answers
Which of the following statements are true about teacher licensure: Group of answer choices
Novosadov [1.4K]

Answer:

The correct answer is option d: all of the above.

Explanation:

Having a teachers licences is a very honorable thing.  Colleges and universities do not issue teacher licenses. Specific institutes built for this purpose issue licencees to teachers. The requirement for these license vary from state to state. The possession of a teacher's license gives the holder the legal right to teach.

Therefore all the options given in the question are true about teacher license.

7 0
3 years ago
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