Answer:it begins at conception
Ans terminated at birth.
The entire period takes 9months.
Conceptions begins with the fertilization of the sperm with the Oocyte.It is followed with the implanta tion of tje EMBRYO on the walls of the uterus for supply of needed nutrients and removal of wastes by the mother.The tissues that does this are called collectivly the PLACENTA
Detachment of the placenta from the mother signified labor.
Explanation:
Answer:
Going down Burr Hill; the contour lines are close together.
Explanation:
Between Points A and C, the steepest part is going down Burr Hill.
I know that, because the contour lines are so close together.
That means your vertical descent is quite steep compared to the distance you cover horizontally.
Alfred Wegener is the father of the plate tectonic theory.
Proteins<span> are large, complex molecules that play </span>many<span> critical roles in the body. ...</span>Proteins<span> are made up of hundreds or thousands of smaller units called amino acids, which are attached to one another in long chains. There are 20 different types of amino acids that </span>can<span> be combined to make a </span>protein<span>.</span>
The breakdown of lactose is done by pyruvic acid