Lipids are A. polar molecules.
B. protein molecules.
C. similar to water molecules.
D. nonpolar molecules

Which flexible structure that supports the nerve cord and led to the backbone

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Introducing minvasive species to an ecosystem results in an increase in biodiversity is it true or false