The strategies for preserving, or treating the dead body, that the old Egyptians utilized is called Mummification. Utilizing exceptional procedures, the Egyptians expelled all dampness from the body, leaving just a dried shape that would not effortlessly rot. Mummification was polished all through the vast majority of early Egyptian history.
Cell membrane i think as I remember
I guess that is:
Within the capillaries of the lungs, gases are exchanged by diffusion; O2 diffuses from the alveolus to the bloodstream and CO2 diffuses from the bloodstream to the alveolus.
Answer:
D) Sea otters are a keystone species as they prevent a herbivorous species from completely destroying a plant species.
Explanation: