What will occur when the trough of Wave A overlaps the crest of Wave B? Destructive interference will occur, causing the new wave to have more energy than Wave A or Wave B.
Constructive interference will occur, causing the new wave to have more energy than Wave A or Wave B.
Destructive interference will occur, causing the new wave to have less energy than Wave A or Wave B.
Constructive interference will occur, causing the new wave to have less energy than Wave A or Wave B.

i'm asking the same thing i asked this other cat all of

sep 30, 2009 - what is the best description of trade among northwest indians prior to the best answer: 1, indians traded among numerous groups for goods that came from indian government was strong and centered authority in an elected chief. a shaman as the white man called him was a healer and nothing else.

using the media to encourage public support for an idea.

encouraging congress to take action

establishing a public policy goal for the nation