I don't know if this helps or not but you would want to know the age of the rock (absolute dating) and from there you will be able to know the age of the fossil and what caused it to die.
Volcanic Ash - C
Cinders - A
Bombs - B
False. Energy is never destroyed, it can only be transformed. Energy is never lost as well.
Answer:
the answer would be chromosomes.
Explanation:
A chromosome contains hundreds to thousands of genes.