What are two types of evidence that have helped biologists determine the ancestors of modern humans

Archaebacteria use for movement. celia flagella pili cell walls

Draw the farm's ppf for corn and beef. draw a point that shows an inefficient combination of corn and beef. label ita. draw a point that shows an unattainable combination of corn and beef. label itb. draw a point that shows an efficient combination of corn and beef. label itc.

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols