Which of the following is not part of a biogeochemical cycle? question 1 options: oxygen movements among the earth system spheres energy movements among the earth system spheres phosphorus movements among the earth system spheres carbon movements among the earth system spheres

What caused the united states to side with britain during world war i?

What led to the environmental damage that caused the dust bowl? 1. desert winds emerging from the southwest 2. rotating crops every year and having fallow land 3.overplanting throughout the great plains 4.a year-long drought

Ascientist performs an experiment where she measures the mass of a piece of metal, pours acid onto the metal, washes the metal, and then re-measures the mass of the metal. the scientist repeats the experiment several times, each time increasing the amount of acid used. the dependent variable in the experiment is the: initial mass of the metal final mass of the metal amount of acid used washing the metal