Select the correct answer. Which of the following terms refers to the measurement of the raised edges of a gun barrel?

A. pitch

B. groove design

C. width of land

D. groove depth

Jewelweed, a flowering plant, has seed pods that burst open when touched and forcefully eject their seeds. these structures are favorable because they a. can cause genetic changes to occur. b. prevent germination within the seed pod. c. aid in the dispersal of the species. d. attract insects that aid in pollination.

Anthracite is so hard and pure it is also referred to as a renewable resource metamorphic rock hot bituminous coal dirty fuel

Select the correct location on the image identify the element that humans need to breathe. 2015 er r ights reserved