The large number of alveoli in lungs improve gas exchange by . increasing the surface area for diffusion decreasing the distance for diffusion changing the diffusion constant increasing the concentration difference

Asap i will reward you brainliest for best which sentence about protists is accurate? all protists are unicellular and microscopic in nature. they have organelles, so protists are eukaryotic in nature. all protists make their own energy through photosynthesis.