Answer:
Replace the concentration description with their value
Blubber
The cell membrane is selectively permeable
Passive transport
From low concentration to high concentration
Explanation is in the file
tinyurl.com/wpazsebu
Answer:
Geologists have hypothesized that the movement of tectonic plates is related to convection currents in the earth's mantle. Convection currents describe the rising, spread, and sinking of gas, liquid, or molten material caused by the application of heat.
<span>"Autotrophs are the producers in a food chain, such as plants on land or algae in water" </span>
It is relative dating because no scientist can tell the actually time that the layers of rocks where formed or when the fossil began to degrade
