HEL All of the following cause mechanical weathering EXCEPT . a. ice c. burrowing animals b. tree roots d. carbonic acid

Which of the following is not a potential result of deforestation?

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome

How is anaerobic respiration affected by changes in temperature? (5 points)based on the conditions of early earth, what conclusion can you draw about the amount of anaerobic respiration that was occurring at earth’s beginning? explain your answer.(5 points)if there was a sudden drop in temperature after the evolution of the first living cells, predict how that might have affected the changes in the atmosphere and the evolution of cyanobacteria and other autotrophs. explain your answer. (5 points)