Which of the following characteristics of water can be responsible for mechanical weathering? A. Water flows downstream under gravity.
B. Water expands when it freezes.
C. Water combines with atmospheric gases to form acid precipitation.
D. Water reacts with and can dissolve many kinds of minerals.

Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Word equation for k+ h2o yield koh + h2