Amineral that breaks into irregular pieces is said to show which of the following? a. cleavage b. fracture c. luster d. hardness

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?

A40 kilogram skier starts at the top of a 12 meter high slope. at the bottom, she is travelling 10 meters per second. how much energy does she lose to friction