Endocasts of Homo erectus (left) and Homo sapiens (right) illustrate rapid increase in brain size. As early humans faced new environmental challenges and evolved bigger bodies, they evolved larger and more complex brains. Large, complex brains can process and store a lot of information.
Speed = distance ÷ time.
1864/42=44.38
Answer:
Osmosis is the diffusion of water molecules across a permeable membrane from an area of higher concentration of water molecules to an area of lower concentration of water molecules concentration until equilibrium is reached
<span>Simply because cells need both these types of molecules for proper function.</span>
chlorine because it has 7 electrons on the outer shell
