Which kind of map uses contour lines to show elevation? a climate map a physical map a topographical map a special purpose map

Seed plants that lived during the carboniferous impact life on earth today because a. they are the ancestors of all plant life on earth. b. their remains formed coal, which is an important resource. c. they produced fossils that are used to date many geologic events. d. their presence caused oxygen levels to drop, allowing animals to evolve.

The last photo u wonder what is this telling me to do?

Determine which of the two measurements in each set is lesser.10°f or 20°ca. 10-fb. 20°c