What is the rubbing force that acts against motion between two touching surfaces .

Which is true of the regious near earth equator

Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d.the size of the geographic area inhabited by a population can cause speciation.

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions