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Andrews [41]
3 years ago
9

A student adds a suspension of baker's yeast cells into bread dough. When this mixture is left in a large bowl undisturbed for s

everal hours, the student returns to find that the bread dough has doubled in size. What gas molecule is responsible for this increase in dough size?
Biology
1 answer:
horrorfan [7]3 years ago
4 0

Answer:

co 2

Explanation:

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On a global scale, energy _______ ecosystems whereas chemical elements __________ ecosystems.
agasfer [191]

Answer:

c. flows through... are recycled in

Explanation:

In an ecosystem, energy gotten from the sun by plants  flows through the ecosystem from one trophic level to another, as the energy in is transformed from one form to another via nutrition.  

On the other hand, chemical elements in the form of nutrients are recycled and made available to primary producers when decomposers in the ecosystem to break down organic matter. During decomposition, energy is released. Several nutrient recycling process have feedback mechanisms that ensures chemical elements are recycled back into the ecosystem as they are being used up by organisms.  

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3 years ago
What is the relationship between genetic variation and natural selection?
fredd [130]
Genetic variation is when there are many offspring with different genetics, therefore some offspring might be able to adapt due to its genetics
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Select all of the answers that apply. If global warming were to raise temperatures 1.5°C to 4.5°C, what would most-likely happen
Lyrx [107]
Polar ice caps would melt and increase the sea level. The ozone layer would be depleted. And hurricanes are also related.

Hope it helped!
7 0
3 years ago
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What do biologists studie?
Gnoma [55]
They study the human body
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What is given to wood whose normal cells have been replaced with mineral deposits?? please help​
defon

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PETRIFIED WOOD is the answer okkkkkkkkkkkkkkkk

7 0
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