Which of the following natural features has been most strongly affected by erosion?
the mojave desert
the rocky mountains
the ozark plateau
the appalachian mountains

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees

Were you able to observe the nucleolus in any of the cells if so which ones

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes