Um... neeeed details plz!
Folic acid is a necessary component of the diet of pregnant women in order to prevent neural tube defects.
Insulin and glucagon, are both are secreted from islets of Langerhans at the pancreas<span />
Boyle's law states that the relationship between pressure and volume of a fixed amount of gas at a fixed temperature is inversely proportional. This means that the higher the pressure, the lower the volume, in a proportional relationship. Therefore, of the statements listed, b: 'the temperature and the number of molecules must remain constant for the law to apply' and d: 'a<span>s the pressure of a gas increases, the volume decreases proportionally</span>' are correct.