An iron nail does not pick up paper clips as a magnet would.
what can be concluded about the structure of the iron nail?
a. it has no domains.
b. it has domains that are not aligned.
c. it has domains that are aligned along the nail’s length.
d. it has domains that are aligned across the nail’s width.

B. It has domains that are not aligned.

Explanation:

When domains are aligned, object acts as a magnet and attract other magnetic objects.

Although iron is a magnetic material but it does not act as a magnet all the time. It is a temporary magnet. If it is not picking up paper clips, then it must not be magnetized. This means that at this time, the domains of the iron nail are not aligned.

here are some information of the future of geothermal energy:

-the future of geothermal energy can pretty much be summed up with a single word: more

-scientists plan in going deeper than 120 meters

-we are hoping that one day, we will get all of our energy from renewable energy sources such as geothermal energy

hope this !

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles