3. Look at the rock cycle. The Rock Cycle
Meg
Metro
Com
wa
Wwwing
What series of geological processes can transform sediment into sedimentary rock,
sedimentary rock into metamorphic rock, and metamorphic rock into magma?
A. cooling; heat and pressure; melting
B. compacting and cementing; heat and pressure; melting
C. melting; heat and pressure; cooling
D. weathering and erosion; compacting and cementing; cooling

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.