Please i just want the answer for the boxes if you know the right answer please tell me please

Which term describes a fracture in the earth at which land stays in the same place? a. joint b. fault c. split d. hinge

Naoki's bicycle has a mass of 10 kg. if naoki sits on her bicycle and starts pedaling with a force of 168 n, causing an acceleration of 2.8 m/s2, what is naoki's mass?

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)