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yawa3891 [41]
2 years ago
5

Can someone plz help me out. I don’t really understand this.

Biology
1 answer:
FrozenT [24]2 years ago
8 0
7. b and 8. c i attached the photo for u to see how i did it

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Blood does not enter or leave the ventricles during the period called
babymother [125]
That would be D. Isovolumic contraction

As the name states during ISOvolumic contraction the volume of the ventricles doesn’t change and stays the same so no blood enters or leaves the ventricles. The thing that changes is the pressure of the ventricles that increases.

I can explain the process more if u want in the comments:)
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3 years ago
I WILL MARK BRAINLIEST PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Murljashka [212]

Answer:

T-protease would be active in the stomach and W-protease would be active in the intestines.

Explanation:

Acidic pH's are considered to be less than 7 and 7 is considered neutral. Due to this we know that T-protease is more active in more acidic pH's meaning it would be most active in the acidic stomach.

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3 years ago
Lichens are composed of two organisms, a fungus
algol [13]

Answer:

B) ecological succession

Explanation:

The analogy given in this question describes ECOLOGICAL SUCCESSION, which is the series of changes that an ecosystem undergoes over a period of time. Ecological succession is of two types viz: Primary succession and Secondary succession.

Primary succession involves the series of changes that occurs on a new habitat that has never been previously colonized. This is the case of the colonization of bare rocks with no plant life by LICHENS. The action of the lichen, which involves secretion of acids that disintegrates the rocks into soil, paves way for the colonization of that area by new species.

Lichens, via the role they play in primary succession by helping alter a barren area into a fertile one that accommodates other organisms, makes them be regarded as PIONEERS of primary succession.

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3 years ago
Where does the heating process begin in a hot water heater system?
mote1985 [20]

Answer: Dip tube. This tube, located at the top of the tank, serves as the entry point for water as it flows into the tank. The water then travels to the bottom of the tank, to the area known as the combustion chamber, where the heating process begins.

Explanation: Thats what the internet says, and the internet is almost always right, hope you get it right.

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3 years ago
The smell molecules are moving by ___ out through the ___ in the balloon.
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Particles and helium
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