MOLD FOSSILS AND CAST FOSSILS ARE VERY SIMILAR IN TERMS OF THE PROCESS THAT CREATES THEM. HOWEVER, ONE COMES BEFORE THE OTHER AND IS MORE COMMON. WHICH FORM OF FOSSIL COMES FIRST, A MOLD OR CAST FOSSIL AND WHY?

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

Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae

What is an example of a scientific question that galileo could not have answered with out this new tool?