What word means the remains or imprint of once living organisms found in layer of rock

What is the electron configuration of Lithium

The atomic mass of carbon-13 is 13. It has six protons. How many neutrons does this isotope have?

During steps 6-8, the was the independent variable and the was the dependent variable.

Which is an example of a plasma that occurs in nature? A burning tree. The radiant sun. A melting candle. An electric current.

The surface area and depth of the Pacific Ocean are 1.8 X 10^8 km^2 and 3.9 X10^3 m respectively, Calculate the volume of the Pacific Ocean in liters.

Which of the following is diamagnetic? A) Sn B) Pb 2+ C) I D) N E) All are paramagnetic

Based on your observations in the lab, what do you think happens to the majority of water (not, ice) at the poles? at the equator?

How do organisms interact with each other and how can one organism be dependent upon other species

Check Sodium inside a star is most likely formed by which process? fission fusion <<--? alpha emission Beta emission

Which of these is the main goal of any titration? to observe the effect of indicators on acids to observe the effect of indicators on bases --> (((to determine the concentration of one of the reactants))) <--- to determine the effects of a base on