Acceleration due to gravity is ( always / sometimes / never ) the same on the earth.

If this plastic cup is heated to its melting point, what will eventually happen to all the particles in the plastic? a. the particles will begin to move enough that they slide past each other. b. bonds will form and the liquid will become a solid. c. the spaces between the particles will get smaller. d. the particles will change state and become a crystalline solid.

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

Need only answer if you think you know it