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natita [175]
3 years ago
13

What is happening to the [OH-] when the solution turns from pink to violet?

Biology
1 answer:
motikmotik3 years ago
5 0

Answer:

the hydroxide ions are undergoing ionization and the particles are gaining / losing electrons .

Explanation:

i think it is because ::

the phenolphthalein of the solution has gone from having a pH of around 8 (pink) to being alkaline at above 10 which causes it to burn purple / violet .

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In sedimentary rock,younger fossils are found on top of older ones what is is this called
worty [1.4K]

Answer:

Superposition

Explanation:

Sedimentary rocks are deposited one on top of another. The youngest layers are found at the top of the sequence, and the oldest layers are found at the bottom.

5 0
2 years ago
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Bio
garik1379 [7]

Answer:

Down below

Explanation:

1. if you have a lack of oxygen while in a state of heavy movement your heart will stop pumping blood because your whole body isnt receiving enough oxygen and now everything will begin to shutdown

2. you cant stop anything unless you get oxygen , it will take longer for you to die with lack of oxygen or no oxygen at all for that matter

3. atheletes will usually take heavy breaths of oxygen before holding their breaths for longer periods of time

3 0
3 years ago
What are the characteristics of the vertebrate's nervous systems?
Delicious77 [7]

Answer:

Vertebrates contain nervous system which is highly specialized organ.

Explanation:

The nervous system is the complex system in the vertebrate body which is composed of central nervous system that contain brain,spinal cord and peripheral nervous system which contain cranial nerve, spinal nerve,involuntary nerve etc.

The nervous system contain neurons that mainly transmit signal to the different parts of the body.

The peripheral nervous sytem contain somatic and visceral part.

The grey matter and white matter are the 2 areas in vertebrate nervous system.

6 0
3 years ago
Which of the following is true about the behavior of an organism?
Furkat [3]
C is the correct answer
5 0
3 years ago
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Which kingdom(s) include organisms that are autotrophic or heterotrophic?
Alla [95]

Answer:

I hope this will help you:)

Explanation:

Autotrophic organisms are found in kingdom planted

Heterotrophic organisms are found in kingdom animalia

Kingdom monerans has some organisms like Cyanobacteria that can carry out photosynthesis so they are autotrophswhile the other main category of monerans is not capable of photosynthesis so are heterotrophs so this kingdom includes both o gains s

Kingdom protist are heterotrophs and autotrophs because some can prepare food while others cannot

Kingdom fungi has some organisms that can carry out photosynthesis like algae

while other are heterotrophs

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3 years ago
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