When he is checking the level of oil in the tank, a man drops a brass key into the oil and it sinks to the bottom of the oil. (c) (i) State what this shows about the density of brass.

it is very well related to a lot of things but with my limited knowledge i can confidently say that the answer is space.

answer: the metamorphic rocks are formed when they are exposed to high pressure and high temperatures. this happens when one of the earth's plates comes in contact with the other plate by traveling in opposite directions, straight into each other or slipping under one another. the friction that is caused by this activity results in   melting of rocks and when it cools they are known as metamorphic rocks. this process needs a controlled amount of pressure and temperature otherwise it may turn into magma.

54 degrees incident angle = reflected angle

angle is from normal turned to line of ray

did yall get answers for this yet