Answer:
4. It is not a mineral because it has a definite composition
Answer: the correct answer is C) the hepatic portal vein.
Explanation:
The portal vein is not a true vein, because it conducts blood to capillary beds in the liver and not directly to the heart. It is a major component of the hepatic portal system, one of only two portal venous systems in the body – with the hypophyseal portal system being the other.
Subtropical climate with summer highs near 77F and winters near 50F. They found fossils of palm trees on the shores but inland there were conifers& beech trees. The Antarctica circumpolar current took shape millions on years later resulting in polar climates.
Answer:
Biopolymers are natural polymers produced by the cells of living organisms. Biopolymers consist of monomeric units that are covalently bonded to form larger molecules