What are the two main classes of minerals?cbf652d92e777ccda34f9bff58ce3724.webm121 KB asilicates and carbonates bsilicates and nonsilicates cquartz and mica dclay and halite

Which of the following are major minerals?Multiple select question.CalciumIronSodiumPotassium

Minerals are which of the following?答案选项组Inorganic elementsOrganic elementsPhytochemicalsHydrophobic

Minerals are renewable resources. ( ) 6. From the expensive minerals diamond and benitoite. ( ) Choose the correct answer: 1. ........................ is essential characteristics of a mineral. a. Liquid b. Crystal structure c. Artificially manufactured d. Formed from organic processes 2. The types of minerals that form from magma and lava vary based on ............................ a. The materials in the magma b. The solar power c. Cooling rate d. a & c 3. ......................... is a mineral used to build bones and teeth. a. Uranium b. Gold c. Calcium d. Helium 4. ............................. is heavy metal formed with all other atoms other than hydrogen and helium also used in jewelry. ` a. Uranium b. Gold c. Calcium d. Sodium Give reasons for each of the: 1. It's hard to find the gold at the surface. ...................................................................................................................................... ...................................................................................................................................... 2. Mining is very dangerous work. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

Which of the following properties is seen in ALL minerals?1f82592dd37cd68b212d8cef451abc44.webm123 KB aThey contain metallic elements. bThey contain silicon-oxygen compounds. cThey exist as perfectly formed crystals. dThey are formed by natural processes on Earth.

Which of the following best describes the crystal structure in a mineral?43d8a1b32622046664ac6c457daf64b2.webm111 KB arandom bweakly bonded carranged from most dense to least dense darranged in regular, repeating patterns