[1 mark/markah]
(f) explain the effect on human being if exposed to radioactive ray for longer period.
terangkan kesan terhadap manusia jika terdedah kepada sinaran radioaktif untuk jangka masa yang
panjang?
[2 marks/markah)

Answer: buoyancy forceexplanation: in simple terms, the principle states that the buoyancy force on an object is equal to the weight of the fluid displaced by the object, or the density of the fluid multiplied by the submerged volume times the gravitational acceleration, g. this is also known as upthrust.

Idont understand the question