Banyak bangunan pencakar langit dibina menggunakan kaca. Bagaimanakah bangunan tersebut harus dibina supaya ia selamat diduduki? A. Ia harus mempunyai ketinggian Yang RENDAH.
B. Ia harus mempunyai tapak Yang Luas
C. Ia harus mempunyai rangka Yang kuat Dan tapak Yang Luas.
D. Ia harus nampak menarik

Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)

Why did southern business leaders want to increase the number of slaves

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?