Answer:
people as: it Is less expensive. easy to carry
8. 0.96
9. d
10b
11. 3
12 d
Explanation:
Option 2
Hope this helps :)
B.Convection
the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.
example is copper iron...........
