Answer:
In the physical sciences, subatomic particles are smaller than atoms. They can be composite particles, such as the neutron and proton; or elementary particles, which according to the standard model are not made of other particles.
Explanation:
On way to test a mineral is to break it and see how many directions of Cleavage it has
The offspring that will be produced in the cross would have tortoiseshell fur.
<h3>X-linked traits</h3>
In cats, the male is XY while the female is XX.
Assuming that black fur is caused by the allele B and the orange fur is caused by A
A black female will have the genotype 
An orange male will have the genotype 
Crossing the two:
x 
Offspring:
,
,
, and 
= tortoiseshell fur female
= tortoiseshell fur male
More on x-linked traits can be found here: brainly.com/question/11189684
Why is understanding mitts important?( Select the best answer)
1.It helps us understand how organisms repair.
2. It helps us understand how organisms grow.
3. It is important for cancer research.
4. All options correct.