Question

An electromagnet is formed
A.
when a battery is placed inside a piece of wood.
B.
when a wire with an electric circuit is wrapped around an iron core.
C.
when a light bulb is placed on top of a bar magnet.
D.
when a magnetic coil is wrapped around a bar magnet.

Answer 1

Any ideas?

Answer 2

no i dont have any

Answer 3

i got that one i figure it out but need help on the second question

Answer 4

No ideas?

Answer 5

a glaciers

Answer 6

NO DIRECT ANSWERS

Answer 7

all the other choices deal with formations that do not involve ice.

Answer 8

so A is the correct choice.

Answer 9

good job guys tanks for all the help

Answer 10

i would say for the electromagnet it might be b

Answer 11

yw ig

Answer 12

what about this one

Answer 13

The diagram above shows a vertical section of a hillside. Which of the formations in the hillside is the youngest?

Answer 14

you must post the diagram

Answer 15

ok

Answer 16

there u go

Answer 17

thanks

Answer 18

no thank u

Answer 19

with geographic levels, the deeper layers are always the oldest, because over time rock piled in layers/

Answer 20

so using this, what do you think the answer is?

Answer 21

i need the youngest

Answer 22

idk

Answer 23

so that mens the higher levels are the youngest.

Answer 24

age decreases with a decrease in depth.

Answer 25

so limestone, sand stone

Answer 26

yes. What are the answer choices?