Scott Tinker discusses a 50year crossover"where our use of alternative fuels for energy overtakes foundational fuels. What does he include in the foundational fuels graph? What does he include in the alternative fuels graph?

What happened to rosalind franklin in 1956?

The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere