Which organelle in the cell is often called the "powerhouse"?
a. lysosome
b. chloroplast
c. mitochondrion
d. nucleus

Which experiment would most likely contain experimental bias

Environmental differences within ecosystems are generally caused by

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