The closeness of particles of gas and their low speeds allow intermolecular forces to become important at certain pressures and temperatures.

because its important to learn about other countries and how high tech they are compared to us. also its good to learn about other cultures and how ours differs and in common also we need to learn about companies that we still buy since they ship it here.

its c not d   tell me if that´s correct

islam spread slowly through much of africa through trade and preaching.

it is in memorial of the independence day