Thylakoids contain clusters of chlorophyll and proteins known as . They absorb sunlight and generate high-energy that pass along the .

Which geologic feature would most likely be represented by contour lines john far apart from one another? a cliff a hill a plain a valley

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

2. cheryl hears a new song on the radio every day during the week on her commute to work. surprisingly, when the song comes on at a party on saturday night, she knows most of the words without trying. describe the three ways that we use cognition to learn without reinforcement. which type of cognitive learning without reinforcement best explains how cheryl knew the song lyrics? explain your answer.