Answer:
the 1st and 4th one. index fossils r imprints and also it is individual animals making the print so it is unique
B
[(0.75)^3(0.25)]÷[(0.50)^2(0.75)]
Explanation:
toppr dot com
c. contraction
Heating will cause substances to expand, or change their state (like solid to liquid) or it may be a chemical reaction.
lithium 3
This is because lithium has three protons
