Answer:
A
Explanation:
I only think its A because of the gravity part...sorry im not good at explaining
An example of the use of expansion of materials when they are heated is in
Thermometers. Thermometer is an instrument which is used to measure the
temperature of a place.
It contains mercury which expands as temperature increases. This is used
to accurately determine the temperature of an object.
The disadvantage of expansion of materials when they are heated can be
seen in roads as there is expansion of the surface as a result of heat
exposure leads to roads being rough thereby incurring more costs for
repairs.
Read more about Heat expansion on brainly.com/question/1166774
Answer:
D
Explanation: It makes the most sense. Plz mark brainliest
Impermeable is a substance that is water proofed e.g glass, aluminium e.t.c <span />
