After two months of
development, the embryo is called a fetus. The endometrium is formed in part
from the inner lining of the uterus and in part from other membranes. It is
through the placenta that that the embryo/fetus is nourished while in the
umbilical cord and three blood vessels are carried away.
Answer:
a) Radiant energy --> chemical energy
B ecosystem. They include abiotic factors and biotic factors.
Answer:
More acidic and carbon dioxide
Explanation:
Cause I took the test