How is an ecological footprint determined? a. an ecological footprint is determined by measuring the average amount of land and water that a person in a region uses. b. an ecological footprint is determined by measuring carbon dioxide emissions for a given region. c. an ecological footprint is determined by measuring the rate of water use. d. an ecological footprint is determined by measuring the amount of waste generated in a given region.

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a.precipitation b.erosion c.migration d.condensation

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards.the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation