5. calculate the cation exchange capacity of the soil using the ca, mg, capacity of the soil using the ca, mg, na, and k soil-test information and the soil contains 0.4 cmol/kg soil of acidity or h. (10 pt) a. additional information: ca2+ = 40.1 g/mol; mg2+ = 24.3 g/mol; k+ = 39 23.0 g/mol b. assume that lb/acre divided by 2 equals ppm. cmol/kg soil

Name one type of data that h-r diagrams do not show.

Southeast asia relies on its many because of the volcanic, mountainous terrain. a. highways c. rivers b. airports d. lakes

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed