Lava from an underwater volcano piles up over many years. Eventually, the pile of lava sticks up above the ocean surface, forming a new island. To show that succession is occurring on the island, it would be MOST helpful for a scientist to measure changes in

Which of the rock examples below is most likely to be metamorphic

Study the diagram of a desert food chain . what would most likely happen if the kangaroo rats were killed off and removed from the food chain ?

Flock x flock y flock z total pieces of food eaten (from previous page) 147 93 60 food percentage* % % % simulated number of birds in flock for 3rd generation** * divide each flock's total pieces of food by 300, the total number of pieces of food eaten. ** multiply the food percentage for each flock by the total number of birds (30).