The group of minerals chemically containing hydrocarbons is

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This in-between phase of stellar nurseries and star formation in stellar evolution is when the gathered dust is still condensing to form a star.

A. Alpha Stage B. Stellar Genesis C. Protostar D. Star of Adam...

All of the following are electromagnetic radiations except__________?

A. Red light B. Sound waves C. X-Rays D. Photon...

Which statement about sound is true?

A. Sound can’t travel through  vacuum B. Sound can’t travel through  glass C. Sound can’t travel through  water D. Non of theses...

Which of the following bonds are weakest in nature?

A. Single bond B. Double bond C. Triple bond D. Hydrogen bond...

The process of splitting water molecules in the presence of light energy is called_________?

A. Electrolysis B. Photolysis C. Radiolysis D. Thermolysis...