Which of these earth events was dated using the most valid and reliable source of
information?
1) millipede appears
2) land mammals appear
3) rodents appear
4) insects appear

Unlike other andean nations, chile has a relatively small population of mestizos people of european descent indians people of asian descent

How many structures do prokaryotic cells have in common with the eukaryotic cells? a. 2b. 3c. 4d. 5

What is likely to happen in the long term if the earth continues to absorb more energy than it emits? a. the earth will discontinue recycling energy. b. organisms will begin to compensate for the change by incorporating more energy. c. the overall temperature of the earth will increase. d. the nutrient cycles will happen more frequently. select the best answer from the choices provided a b c d