Angle of Release Time of Flight (s) Max. Height (m)

Range (m)

25º 1.04 1.31 11.3

40º

45º

50º

65º​

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.

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false