Which statement correctly describes a hypothesis? a. it is a result of an experiment b. it cannot be tested c. it is a conclusion based on scientific evidence d. it is directly testable

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon

What are the north and south poles of a solenoid change with?