Amelia has observed water run off into the ocean in many places and for many years. The level of the water in the ocean does not seem to have changed. Why?
A. Water evaporates from the ocean's surface.
B. Some ocean water freezes and becomes glaciers.
C. Salt makes ocean water heavier so it takes up less space.
D. Water seeps into the ocean bed and becomes ground water.

brain development. a child's brain undergoes an amazing period of development from birth to three—producing more than a million neural connections each second. the development of the brain is influenced by many factors, including a child's relationships, experiences and environment.

explanation:

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.

answer; synapse;