Ample of a raised, flat area is/are the a. grand tetons c. colorado plateau b. coastal plains d. appalachians

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen

Animals that have thick fur and ae able to store large amounts of body fat live where ?

Vinegar has a ph of 3, and household ammonia has a ph of 11. is the concentration of h+ greatest in the vinegar or ammonia?