TOM CREATES A MODEL THAT SHOWS THE MOVEMENT OF THE TECTONIC PLATES OF THE EARTH'S SURFACE. IF HE WANTS TO USE THE MODEL TO UNDERSTAND THE CONCEPT OF HOW A MOUNTAIN IS FORMED, HOW DOES THAT MODEL HELP HIM? * A. IT SHOWS ALL OF THE PLATES IN THE CORRECT LAYOUT.
B. IT EXPLAINS IN DETAIL HOW MOUNTAINS ARE FORMED.
C. IT DISPLAYS DETAILS THAT CANNOT BE SEEN IN A DRAWING.
D. IT SPEEDS UP A PROCESS THAT TAKES MILLIONS OF YEARS.

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

Acell goes through cellular respiration and produces atp which it then uses to move a molecule across the cell membrane. how does the energy in the original glucose molecule change during this process? (2 points)

Why are current extinctions of concern to enviromentalists?