How competence of drivers are responsible for road accidents

How should janet respond to her mother's criticism in the following scenario? janet got a c in science on her report card. her mother is not happy about this and wants janet to study harder and bring her grade up. janet was studying hard, but she didn't understand the concepts very well, and her science teacher is also the football coach and didn't have much extra time to her. janet should 1.agree to study harder and just keep trying to do her best 2.say nothing 3.argue that it wasn't her fault and say that the teacher was too busy to her 4.explain that she didn't understand the concepts and tell her mother about her teacher's time constraints

Which of the following statements is true? minerals can be solids or liquids. minerals must have a homogeneous chemical composition. evaporites are a type of metamorphic rock. contact metamorphism is caused by large-scale geological events.

Voice is the varying of pitch when speaking.