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Ainat [17]
3 years ago
11

One of the ingredients used to make bread is yeast, a type of microorganism. This may seem odd, to use a microorganism as an ing

redient, but the yeast serves an important function. In this case, how would you describe this microorganism? A) Yeast is a harmful microorganism that produces gas. B) Yeast is a beneficial microorganism that helps the bread rise. C) Yeast is a beneficial microorganism that keeps the dough clean. D) Yeast is a harmful microorganism that may cause illness in humans.
Chemistry
2 answers:
Shalnov [3]3 years ago
4 0

The answer would be B.

bija089 [108]3 years ago
4 0
Yes it's B and can also be c because it's made of fungi
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True or false: Halogens are very stable because they have a full outer shell of 8
STALIN [3.7K]

Answer:

True

Explanation:

Halogens are very stable because they have a full outer shell of 8

true or false?

Brainiest plz and hope this answer helped let me know if you need any more help I am glad to help!

It's true!

8 0
3 years ago
How many atoms of Pb are there?
jeka94

Answer: i believe it is

602,000,000,000,000,000,000,000 atoms

Explanation:

6.02×1023 atoms/mole

6 0
3 years ago
Explain the difference between percent abundance and relative abundance.
larisa86 [58]
<span>Relative abundance - comparison between the isotopes Percent abundance -
</span><span>comparing the totals.
</span>relative abundance:the number of organisms of a particular kind as a percentage of the total number of organisms of a given area or community; the number of birds of a particular species as a percentage of the total bird population of a given area percent:figured or expressed on the basis of a rate or proportion per hundred (used in combination with a number in expressing rates of interest, <span>proportions, etc.</span><span>

</span>
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8 0
3 years ago
How many moles in one gram of Calcium ??
kirill [66]

Answer:

0.0249 moles in 1 g of Ca

Explanation:

Let's think in the molar mass of Ca.

Ca = 40.08 g/mol

So 1 mol weighs 40.08 grams, or in the opposite 40.08 grams is the weigh of 1 mol

The rule of three will be:

40.08 g are contained in 1 mol

1 g may be contained in (1 . 1) / 40.08 = 0.0249 moles

8 0
3 years ago
The percent yield for a chemical reaction can not be calculated until the reaction is completed
maw [93]

Answer:

False

Explanation:

using the measurements of the amounts of chemicals, it can be calculated to some degree of accuracy depending mainly on the accuracy of the measurements and enviroments of the reaction

5 0
4 years ago
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