Which of the following is an effect we can already observe on Earth that results for global warming? stronger hurricanes
more severe wildfires
less sea ice in the Arctic in summertime
all of the above

Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity