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Daniel [21]
3 years ago
13

Can someone pls help with questions 19-22 pls show steps

Biology
1 answer:
arsen [322]3 years ago
8 0
Can you add a picture so I can see what you mean?
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what is the discussion for the lab ( to determine if both water and oxygen are necessary for rusting)​
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Answer:

Rust is iron oxide or Fe304, water is H2O

3Fe + 4H2O → Fe3O4 + 4H2

Explanation:

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3 years ago
PLEASE SOMEONE ANSWER!!Name three ways that your life would be different if cells didn’t divide.
IgorLugansk [536]

Answer:

1. Without it, you could make no new cells. The cells in most of your body would wear out very quickly, greatly shortening your life.

2. No cell growth, no cell reproduction

3. DNA or genetic material would not be able to be passed on.

Explanation:

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3 years ago
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Which enantiomer of thalidomide cause birth defects?.
Tpy6a [65]
The (R)-enantiomer is an effective sedative medication and the (S)-enantiomer may be teratogenic. (S)-Thalidomide was shown to be responsible for over 2000 cases of birth defects in children born to women who took the drug during pregnancy (Figure
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3 years ago
Natural selection relates to adaptations in all the following ways except ―
andrew11 [14]

Natural selection relates to adaptations except for Natural selection grants a species any trait it might need for survival

Explanation:

The ways in which an organism adapt to its changing environment  is termed as natural selection.  The individual with better trait compatible to the environment adapt themselves and reproduce to pass on the useful trait to its offspring. Through the process of natural selection, population survives.

Natural selection is also responsible for speciation where new species can occur in population.

If the environment changes rapidly, some of the species are not able to adapt

and eventually gets deleted from the environment.

Natural selection itself does not provide any trait to the species or population it is just a way how species adapt with traits they inherited over a period of time.

6 0
4 years ago
A reaction to a change is called a _____.
denpristay [2]
The answer that should go in the blank is the first one. Response 
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