When Bob reaches point "C" on the roller coaster he is moving more slowly. What type of energy does the car have at point C? Kinetic energy only
Potential energy only
Both potential and kinetic energy.
Neither potential nor kinetic energy.

The production of cells during mitosis into specialized function is recombination or differentiation

In this assignment, you will analyze an example of speciation by researching the finches of the galapagos islands. then you will answer questions to construct explanations and draw conclusions based on the information you gather. someone plz !

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?