Answer:
Hotter material, heated by the core of the Earth rise slowly to the surface of the mantle. Material cools near the crust and then sinks back down to the core, to repeat the process all over again.
Answer:
Work is the transfer of energy.If you put energy into an object, then you do work on that object (mass). If a first object is the agent that gives energy to a second object, then the first object does work on the second object. The energy goes from the first object into the second object.
Explanation:
Being unicellular means that you're only made up of one cell.
(Which clearly, we are not.)
Answer:
Lack a nucleus
DNA is found in the Nucleoid
They have a cell wall
Explanation:
C) Density of the animal population Animal population is the only biotic or living factor. Grazing by herbivores, like sea turtles, will affect seagrass populations. Too many herbivores, not enough segrass.