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Aleks [24]
3 years ago
7

How is your day today?

Chemistry
2 answers:
aleksley [76]3 years ago
5 0

Answer:

kul and yours hope it was great

Delvig [45]3 years ago
4 0

Answer:

nice

Explanation:

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If enough changes occur in the gene pool of a species, it is possible that a new species would be created.
lianna [129]

Answer:

Yes

Explanation:

A gene pool is the sum total of all the genes(sum of alleles)of a species and population at any given time is known as gene pool.

The new species are created in nature by four mechanisms such as geographic isolation (allopatric speciation), reproductive isolation (sympatric speciation), mating behaviour (parapatric speciation).

Due to any of these factors when population acquire unique changes in their genes and enough changes have been introduced in the gene pool of the population with time, two population become distinct from each other and not able to interbreed leads to the formation of new species.

6 0
3 years ago
What kind of chemical reaction does the chemical equation sodium + chlorine → sodium chloride represent?
Vinil7 [7]
D. Synthesis cause A + B --> AB Equation: 2Na + Cl2 --> 2NaCl
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3 years ago
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An illegal drug stimulates the parasympathetic nervous system, causing the user to appear tranquilized. What could indicate to a
Musya8 [376]
B. Low blood pressure and drooling. If the user is tranquilized, he would not be able to hinder the production of saliva, leading to drooling. And if the victim was tranquilized, his heart would slow down, not speed up, resulting in a lower blood pressure.
6 0
3 years ago
Stirring a liquid while you are mixing in another ingredient speeds up the rate of dissolving. Question 13 options: True False
brilliants [131]

Answer:

true

Explanation:

This is because it helps distribute the particles that are being dissolved. 

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What is the difference between an enzyme and a catalyst?
stealth61 [152]
Catalyst- chemical that increases the rate of a chemical reaction without itself being changed from the reaction. Enzyme- substance produced by a living organism that acts as a catalyst to bring about a particular biochemical reaction. Hope it helps.
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