01.4 People who are at risk of developing coronary heart disease are often given drugs called statins
Describe how statins reduce the risk of coronary
heart disease
[2 marks]

There is a single path for electrons. the current decreases when additional resistors are added. the current will be the same in each resistor. these statements best describe a(n) circuit.

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false

How many moles of bromine are needed to produce 3.23 moles of potassium bromide