There is a species of starfish called the crown of thorns. this species is responsible for killing coral reefs around the world. if you want to find out how these species have become so abundant around the world, who would you call?

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Which of these is most likely to happen if parallax measurements of star distances are taken after a gap of six months? the results would be accurate the results would be inconsistent the results would not be valid the results would not be repeated

All organisms contribute some water to the water cycle by conducting