Answer:
it was before the continent drift the homosapiens travelling habitated the most parts of world
A. proteins
they play many critical roles in the body, and are required for cell structure, function, and regulation of body tissues and organs :)xx
“Chromosomes carry genetic information in a molecule called DNA. A type of cell division called mitosis ensures that when a cell divides each new cell produced has the same genetic information. DNA exists in a cell's nucleus within structures called chromosomes .”
Papers, like school pad papers, have stripes printed on them as a guide for straight-lined handwriting. This is useful especially to young students learning to write legibly. You may remember that in handwriting lessons, you use the blue and red lines as boundaries of letters drawn.