Besi ialah sejenis logam. Oleh itu, besi memiliki sifat permukaan yang berkilau. Walau bagaimanapun besi mudah berkarat. Mengapa? ​

Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases.as altitude increases, air density increases.air pressure and density are lowest at sea level.denser air exerts more pressure than less dense air.

Solar energy is energy from the sun that is converted into thermal or energy. a. nuclear b. mechanical c. electrical d. chemical

Determine the reaction and balance the following equations urgent due in the morning