I think that C. 30 is the minimum recommended spf for sunblock.
Answer:
Notice that for all substances, the heat of vaporization is substantially higher than the heat of fusion. Much more energy is required to change the state from a liquid to a gas than from a solid to a liquid. This is because of the large separation of the particles in the gas state.
Explanation:
Is this written out correctly?
Dimensions of health cover everything from our physical health to our mental health.
And
many studies have shown that our physical and mental health heavily
affected each other. It's common to see some one with mental problem
develop physical problems because of it