What is the likely source of methane in Mars atmosphere?

A) Mars landings of exploration vehicles such as Spirit
B) ongoing volcanic activity
C) the decomposition of the residue deposits left from Mars oceans
D) the absorption of Phobos' (Mars' larger, inner moon) methane atmosphere through gravitation


B

Environmental & Atmospheric Sciences

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Which of the following is a domain of living things?

a. Monera b. Plantae c. Bacteria d. Animalia e. Chordata

Environmental & Atmospheric Sciences

Which of the following is the strongest?

A. an induced dipole-induced dipole attraction B. a chemical bond C. an ion-dipole attraction D. a dipole-induced dipole attraction E. a dipole-dipole attraction

Environmental & Atmospheric Sciences

All of the following crops are commonly grown in plantation agriculture except

a. Corn b. Bananas c. palm oil d. Coffee e. Sugarcane

Environmental & Atmospheric Sciences

Ethiopia and Kenya have dominated in which sport?

A) basketball B) long-distance running C) soccer D) rowing E) short-distance sprinting

Environmental & Atmospheric Sciences