<span>B.Shape of continents look like puzzle pieces that can fit into one another</span>
The object's mass is around 69.592 kg
F=mg
Development of the Embryo. The next stage in development is the embryo, which develops within the amniotic sac, under the lining of the uterus on one side. This stage is characterized by the formation of most internal organs and external body structures.
Answer:
The climate of the earth throughout history has always been <em><u>fluctuated between hot and cold periods. </u></em>
