2. The asthenosphere is the part of the mantle on which the tectonic plates move. Which of these statements best describes a characteristic of the asthenosphere that allows
the tectonic plates to move?
A. It is soft.
B It is rigid
C. It is permeable.
D. It is porous.

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative