From 2010 to 2011 the percentage of electricity generated from burning coal fell, while the percentage of renewable energy sources such as solar and hydroelectric went up. what effect would this change have on the atmosphere? a) more oxygen would be released into the atmosphere. b) less oxygen would be released into the atmosphere. c) less carbon dioxide would be released into the atmosphere. d) more carbon dioxide would be released into the atmosphere.

Astudent sees several ants walking up a wall following the exact same trail that an ant took earlier. she wants to apply the scientific method to determine how the ants detected the trail. which of these steps would come first in her application of the scientific method? perform an experiment by cleaning the scent away from part of the trail. draw a conclusion that the ants follow a scent trail. make a prediction about what the ants will do after she cleans away part of the trail. hypothesize that the ants are following a scent trail that the first ant left.