A frog is able to leap away from a snake because danger is sensed and responded to by O A. the nervous system O B. hormones Oc. the immune system O D. DNA​

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent  

The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian

An alaskan spruce forest will burn easily once burned the forest regenerates fairly wuickly which statement best describes haw an alaskan spruce forest reacts to fire? it is resilient