3. me(2 mkandle
The diagram below shows the essential features of a solar heating panel. A small electric pump circulates the
liquid through the pipes.
Glass plate
Metal plate
Pipes
Air space
Material fibre glass
State briefly why:
The pipes and metal plates are blackened.
(ii) There is a material fibre glass on the panel.
(1mk)
(1mk)​

“other instruments such as gravimeters and magnetometers are also used in the search for petroleum. extracting crude oil normally starts with drilling wells into an underground reservoir. when an oil well has been tapped, a geologist (known on the rig as the "mudlogger") will note its presence. “ this is what i found on google i hope it

The correct choice is c