When a psychologist simply records the relationship between two variables without manipulating them, it is called a correlational study.
The observed relationship does not by itself reveal which variable causes the other. This is the directionally problem. Also, the relationship may be due to a third variable controlling both of the observed variables.
Answer:
3rd and 4rth
Explanation:
a geologist studies the earth and both of these have something to do with the earth
Answer:
A transforming vechicle that could transform from a land-based vehicle to a water-based vehicle and to an air based vehicle.
Explanation:
C both A and b cause they are technician both technicians so they both measure out the floor pan reinforcement be designed to transfer collision energy so I say both A and B