If the global “average” TFR is 2.5, what TFR is needed in order to keep a population stable over time?

Type the correct answer in each box. use = 3.14 and if necessary, round your answers to the nearest hundredth. the area of the largest cross section of a sphere and the circumference of the sphere are in the ratio 4: 1. cm. the area of the largest cross section is about the radius of the sphere is cm. the circumference of the sphere is about cm2. the volume of the sphere is about cm?

What adaptation would you expect organisms to have in streams? a) ability to thrive in low ph b) transparent eyelids c) ability to survive in high salinity conditions d) holding mechanisms

Clusters of galaxies can form larger groups called a. supernovas. c. constellations. b. superclusters. d. supergiants? answer b. superclusters! for anyone in the future that needs it