According to the fossil record, giraffes didn’t always have lone necks. Through time, they evolved to have long necks. What would be the best explanation for the longer necks?

Dermal tissue in plants stores 1.extra food 2.transports water and nutrients 3.transports waste materials 4.is similar to epithelial cells in animals

In which state was more than 100 billion tons of coal mined in 2005?

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