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).
Pea gravel size? Pea gravel consists of small, rounded stones often used for walkways, animal pens, and other places where sharp gravel isn't wanted. Pea gravel can come in more than one s â¦ ize but is typically anywhere from 1/8 of an inch to 3/8 or an inch in diameter. Size of pea gravel? typically the size of peas hence the name pea gravel