Answer:
Membrane B, because it is composed of unsaturated fatty acids that have one or more bends, which prevent tight packing.
Answer:
The answer should be C.
An energy pyyramid shows how the energy "flows" from organism to organism as it goes up.
Water in the ocean move differently depending of the win speed. In the ground, it only moves downward due to gravity pulling in the water while the soil absorbs the water. Water above ground only go one direction due to the slope of the mountain or riven.
Stable elements are those which have atleast one isotope with no tendency to "decay", i.e., change into anotherelement.
