What does the direction of the magnetic field depend on?

a. the direction of the magnetic field will depend on the poles of the wire
b. the direction of the magnetic field will depend on the direction of the current flow
c. the direction of the magnetic field will depend on the direction of the magnetic domains
d. the direction of the magnetic field will depend on the magnetic properties of the wire

I'm kinda lost ! 1. when marilyn takes her pet dog for a walk, the dog walks at a veryconsistent pace of 0.55 m/s. draw a position-time graph to representmarilyn's dog walking the 19.8 m distance from the front of her house tothe nearest fire hydrant.2. both car a and car bleave school when a stopwatch reads zero. car atravels at a constant 75 km/h, and car b travels at a constant 85 km/h.a) draw a position-time graph showing the motion of both cars. howfar are the two cars from school when the stopwatch reads 2 hrs? calculate the distances and show them on your graph.b) both cars passed a gas station 120 km from the school. when dideach car pass the gas station? calculate the times and show themon your graph.3. the figure below shows the position-time graph showing a shopper'smovement up and down the aisle at a store.a) write a story describing the shopper's movements at the store.b) when does the shopper have a position of 6 m? c) how much time passes between when the shopper enters the aisleand when he gets to a position of 12 m? what is the shopper's averagevelocity between 37 s and 46 s?

First to answer will be the brainliest i need the answer asap

(10 pts! ) the major factor which causes seasonal weather changes on the earth is: a. elliptical orbit b. variation in distance from sun c. tilt of the axis d. atmosphere