Does the law of crosscutting relationships involve sedimentary rock only? why or why not?

Which type of fossil does this image depict?

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.

What is the chemical name of the compound ti2o3? use the list of polyatomic ions and the periodic table to you answer.