Always start with the smallest magnification, usually the 4x lens
Hope this helps
1
D
C
B
A
B sorry if i'm wrong tho lol
<span>The correct answer is letter A, disorders in individual genes are responsible for Down's syndrome.
This is a human genetic disorder that is associated with physical growth delays, characteristic facial features, and a mild to moderate intellectual disability. This is a condition in which the genes make a copy of the chromosome 21. </span>
Warm fronts
Not cold fronts because those move to warm
