A 42 year old male decides to try to break the world record of starting the hottest grill fire in history by pumping liquid oxygen into his grill. Needless to say he now has arrived surprisingly conscious in your ER with several issues due to the ensuing explosion.

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land

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.

What might explain the real-world results, show in the graph to the right, for one class of twenty students? check all that apply.