Which of the following is true of the composition of all materials? A.
All materials are made up of large parts that can only be seen by the human eye.
B.
All materials are made up of smaller parts that cannot be seen without magnification.
C.
All materials are made up of living cells.
D.
All materials are made up of only one part.

Option B.

Explanation:

All materials are made up of smaller parts that cannot be seen without magnification.

i think it's B

Explanation:

my bad if u get it wrong or anything

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it

the answer to the blank provided is “an autosomal gene that is required for the expression of genes on the x chromosome”.

testis-determining factor, abbreviated as td, which is more popularly known as sex-determining region y or sry protein, is a dna-binding protein or  gene-regulatory protein/transcription factor, encoded by the  sry gene. it is the gene responsible for the initiation of male gender determination in humans.