Doyle learned that only one side of the Moon is ever visible from Earth. He wants to investigate how the moon moves around the Earth and to understand how this motion causes the phases of the moon. Which kind of scientific investigation should he use?

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.      

warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

hope i !

catya your not at all which answer i've seen you do this on another question!