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garri49 [273]
2 years ago
12

Which of the following materials is the least porous?

Chemistry
2 answers:
stealth61 [152]2 years ago
8 0

Answer:

large pebbles and boulders

WARRIOR [948]2 years ago
3 0

Answer:

The answer is The unsorted sand and rock is the least porous.

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Can u plz give an answer to me thank you​
vagabundo [1.1K]

The puppies have different colored noses because of reccesive and dominant genotypes.

Genotypes are represented by letters, capital being dominant and lowercase being recessive.

For example, lets say t = pink nose and T = black nose.

If the parents have black noses, then they will pass on T genotypes.

But, they also have hidden pink nose genotypes.

These hidden genotypes are passed on to the puppies, one of the puppies gets more black nose genotypes.

If a puppy gets tt, they will have a pink nose.

If they get TT, they will have a black nose

If they get Tt, they will also have a black nose.

Because the black nose is dominant, its more likley for the puppies to end up with a black nose.

4 0
3 years ago
An atom of which element has the strongest attraction for electrons in a chemical bond?
lina2011 [118]

Answer:

Fluorine

Explanation:

Fluorine has the greatest attraction for electrons in any bond that it forms. The attraction of an atom for shared electrons is called its electronegativity.

4 0
3 years ago
1 mole = 1000 millimoles (mmol); 1millimole = 1000 micromoles (µmol). if a solution contains 38231 µmol, what is that amount in
Mrrafil [7]
1 mmol --------------------- 1000 <span>µmol
( mmol ) -------------------- </span> 38231 µmol

mmol =  38231*1 / 1000

mmol = 38231/ 1000

=>  38.231 mmol
3 0
3 years ago
Calculate the half-life of different radioactive sources.
otez555 [7]
The rate at which a radioactive<span> isotope decays is measured in </span>half-life. The termhalf-life<span> is defined as the time it takes for one-</span>half<span> of the atoms of a </span>radioactive material<span> to disintegrate. </span>Half-lives<span> for </span>various radioisotopes<span> can range from a few microseconds to billions of years.
</span>.
back at it again with that answer
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zane
7 0
3 years ago
Which of the following describes a characteristic of water that makes it cohesive in nature?
kari74 [83]

Answer:

D is answer

Explanation:

8 0
3 years ago
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