Chemoautotrophs can survive on ( ) alone. A: minerals B: CO2 C: minerals and CO2 D: methane

All minerals are compounds of various elements.

Minerals,timber, land, and water are natural ______(s).

Fruits are a good source of which nutrients? A: Vitamins, carbohydrates, and minerals B: Fats, carbohydrates and fiber C: Minerals, vitamins, and fiber D: Protein, fiber, and vitamins

‎The main source of quartz is .‍ A: Glass B: Minerals C: Clay D: Sandstone

The main source of quartz is . A: Glass B: Minerals C: Clay D: Sandstone

Chemoautotrophs can survive on____alone.( ) A: minerals B: CO2 C: methane D: mineral and CO2

Vegetables and fruits are low in_________. A: calories B: minerals C: fats D: sodium E: proteins

( )is found in both tea and coffee to increase excitability. A: Amino acids B: Caffeine C: Vitamins D: Minerals

Which of the followings provide energy？ A: Minerals B: Fat C: Carbohydrate D: Protein E: Vitamins F: Water