Explanation:
If the concentration of molecules outside the cell is very high relative to the internal cell concentration, the rate of diffusion will also be high. If the internal and external concentrations are similar (low concentration gradient) the rate of diffusion will be low.
I’d go with c)
This is kind of controversial currently because there are different defintations of language but poplular opinion is tools first. Think apes are using rocks to open shells or something before they really communicate.
Size of brain definitely increased tho
Answer:
Nitrogen
Explanation:
Nitrogen makes up 78% of the atmosphere, while oxygen makes up only 21% and other gases make up around 1%
A.
Because of the urban heat island effect, less heat will be absorbed and regional temperatures will be slightly higher.
