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).
This is mainly a rounded material made up of a variety of colours, namely brown. It is a great product to use on paths and as a decorative gravel in the garden. 6mm is available but mainly angular in shape. Trent Pea Gravel 10mm and Trent Pea Gravel 20mm also available.t is a great product to use on paths and as a decorative gravel in the garden. 6mm is available but mainly angular in shape. Trent Pea Gravel 6mm, Trent Pea Gravel 14mm and Trent Pea Gravel 20mm also available. A product that looks fantastic when wet.