Answer:
Ann atom of hydrogen consists of one proton surrounded by one electron
Answer:
Brown is dominent and black is recessive.
Explanation:
Three of the four puppies have brown hair and only one puppy has black hair.
The cell grows, makes a copy of its DNA, and prepares to divide into 2 cells.
Or for APEX---->The chromosomes are duplicated or the cells prepare for mitosis
The cell prepares for mitosis.
Organelles are manufactured(apex)