How do acids and bases affect the quality of freshwater sources? Acids and bases raise the pH of freshwater.
Acids and bases lower the pH of freshwater.
Acids lower the pH of freshwater and bases raise the pH of freshwater.
Acids raise the pH of freshwater and bases lower the pH of freshwaterbtw i had to ask because does not have the answer to this.

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

high growth (apex)

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.