Which of the following is an example of primary succession? A. Lichens growing on rocks after a volcanic eruption
B. Grass growing after a forest fire
C. Oak trees replacing pine trees in a forest
D. Non-native species introduced into a climax community

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.