Apakah ciri-ciri lokasi yang sesuai untuk dijadikan pusat pemerintahan sesebuah kerajaan

Ingrid wrote the hypothesis below. if the temperature of a liquid increases, the density of the liquid decreases because the particles move farther apart. what are the variables in her hypothesis?

If 21.2 kcals of energy is released by this reaction, how many kj does the reaction release? (1 cal 4.184 j)

What is the measure of a change in an objects velocity?