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77julia77 [94]
3 years ago
12

Explain why the properties of a pure substance do not vary from sample to sample.

Biology
1 answer:
kenny6666 [7]3 years ago
5 0

Properties of a pure substance are constant because the structure of the pure substance is not varying.

Hope this helps!

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ahrayia [7]
The answer is immune system
6 0
2 years ago
The eye is continuously bathed in a fluid secreted by the lacrimal gland which flows
Law Incorporation [45]
Inside the eye?
don't think I'm right but i hope it helps!
5 0
3 years ago
Place the following materials in the order in which they are likely to fossilize. Begin with the material that is most likely to
marusya05 [52]

Answer: correct order--->

1)mammal teeth

2.)bones of an adult mammal quickly buried

3.) bones of an adult mammal left on the surface

4.)soft body parts of any animals

Explanation:

Fossilization is the ability of an organism to be preserved and remain unaltered for a very long time. Through research , it has been found out that Harder  parts of the body tend to remain preserved for a long time  because they  naturally have minerals deposited in them and may only be reduced,  but the softer part or tissues do not get preserved for a long time because being made up of polymer can be disintegrated easily by natural biological and physical processes.

The order of which material will likely fossilize is

1.)mammal teeth

2.)bones of an adult mammal quickly buried

3.) bones of an adult mammal left on the surface

4.)soft body parts of any animals

Reason,

--Teeth and bones biologically contain calcium but the teeth is more tougher and durable than the bone, Even when a  body is decomposed, the teeth most times are not  affected at all.

Bones of an adult mammal left on the surface will decompose faster than the one buried because of the biological (natural decomposing ) and physical processes(temperature, wind, sunglight, rainfall ) which will both act on it at the same time because of its exposure.

- soft body parts of any animals will decompose fastest as bacteria will feed on it immediately since it lacks minerals that can elongate preservation.

5 0
3 years ago
░░░░░░░░░░░░░░░░░░░░░▄▀░░▌
jok3333 [9.3K]

Answer:

The diploid snail with 22 chromosomes will undergo meiosis (reduction division) to produce a gamete with reduced number of chromosomes (by half) i.e. 11 chromosomes. This means that after meiosis, each haploid gamete (sperm and egg) will contain 11 chromosomes each.

Explanation:

So it's 22!!!!

7 0
2 years ago
Read 2 more answers
12)Scientists study the biosphere to examine the relationship between biotic and abiotic factors that impact the entire planet a
andrew11 [14]

Answer:D

Explanation:

This isn’t B, because it’s only one species. It isn’t C, because it is one population, and A doesn’t make sense due to how they are of course organisms. D is your best bet.

7 0
2 years ago
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