Help me with this now please due in 20 mins

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.

How many moles of al3+ ions are in 1.25 moles of al2o3

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?