A steel railing rusts over time. Which statement best explains what happens to the steel?
A. A new substance forms as iron in the steel interacts with air and
moisture.
B. A change of state occurs as the steel turns into rust.
C. The iron in steel dissolves in the moist air and recrystallizes as
rust.
O D. The color of the steel changes as it undergoes a physical change.

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The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

Identify the examples in which sam interacts only with natural resources

When ash and dust begin to settle on the ground, they eventually become compacted by