ANSWER: Correct Chapter 1 Question 7 Â­ True/False Part A A scientific theory is a tentative or untested explanation that is proposed to explain scientific observations. This preview has intentionally blurred sections.
Gravel /ËÉ¡rÃ¦vÉl/ is a loose aggregation of rock fragments. Gravel is classified by particle size range and includes size classes from granule- to boulder-sized fragments. In the Udden-Wentworth scale gravel is categorized into granular gravel (2 to 4 mm or 0.079 to 0.157 in) and pebble gravel (4 to 64 mm or 0.2 to 2.5 in).
Bank run gravel 1:2. -2â Screened gravel 1:2. 1â and 2â Gravel 1:2. -1 cubic yard = 2 tons. 3â-6â oversized rock 1:1.5. 8â-18â oversized rock 1:1.5. -1 cubic yard = 1 1/2 tons.