The residual polar caps on Mars are made of

A) carbon dioxide ice
B) methane ice
C) water ice
D) a uniform mixture of water and carbon dioxide ices


C

Physics & Space Science

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Given the correct quantity, what are three essential components for complete combustion?

Physics & Space Science

the electric force on the proton

A. The vector points in the +x direction. B. The vector points in the -x direction. C. The vector points in the +y direction. D. The vector points in the -y direction. E. The vector points in the +z direction. F. The vector points in the -z direction. T. The vector is zero.

Physics & Space Science

Which planet's major moons were named after literary characters?

a. Jupiter b. Saturn c. Uranus d. Neptune

Physics & Space Science

As rock is weathered it breaks down and erodes. Sedimentation begins where erosion stops. Erosion is

A) disintegration and fragmentation of rock into smaller pieces. B) a chemical process. C) decomposition and alteration of rock material. D) transportation of rock particles via water wind or ice.

Physics & Space Science