During starch test why is leaf boiled in ethanol? A) to kill its Protoplasm
B) to soften it
C) to extract its chlorophyll
D) to retain its starch

Both destructive and constructive, the natural event seen here, is important in destroying and creating landforms on earth. what is this event called? a) deposition b) flooding c) landslide d) sedimentation

Fossils of ancestors of the modern horses show a small 4-toed almost dog-like browsing animal named eohippus over time the horses got larger lost toes and changed to a grazing diet what is the best explanation of why this change occurred

Which of the following best explains the changes in biodiversity shown in the graph?