Soil compaction results from . a. the reduction or elimination of pore space in soil b. the weight of heavy machinery on soil c. livestock walking over soil d. all of the above Please select the best answer from the choices provided A B C D

Variety of living organisms; includes genetic, species, and ecological types.

Which of these is most likely to happen if parallax measurements of star distances are taken after a gap of six months? the results would be accurate the results would be inconsistent the results would not be valid the results would not be repeated

The distribution of related animals and plants across the world