Gina wants to cut back on the large levels of air pollution in her city. which of the following steps should she take?
a. use public transportation systems less often
b. purchase a less fuel-efficient vehicle
c. try to use her city’s bus system more often
d. drive her personal car as often as possible to raise emissions

The table below shows the number of foot bones in some horse fossils.horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s

Compare the composition of the moon's surface with the composition of the earth's surface.

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?