Marble and Slate are which type of rock?
Marble and Slate are which type of rock?
A. Igneous
B. Sedimentary
C. Metamorphic
D. Non of These
A. Igneous
B. Sedimentary
C. Metamorphic
D. Non of These
A. Radiation
B. Conduction
C. Convection
D. Environmental pressure
A. Silicate group
B. Organic group
C. Oxide group
D. Hydride group
A. Methane
B. Hydrogyn
C. Oxygen
D. Carbin dioxide
Biogas comprises primarily methane (CH4) and carbon dioxide (CO2) and may have small amounts of hydrogen sulphide (H2S), moisture and siloxanes.
A. Talk
B. Eat
C. Sleep
D. Walk
A. Burning of coal
B. Conversion of water into steam
C. Digestion of food
D. Burning of paper