That reaction is a synthesis reaction
the age of Rock in years is called its absolute age geologist find absolute age by measuring the amount of certain radioactive elements in the rock
Tay-sach's disease is an autosomal recessive disease caused by mutations in both alleles of a gene (HEXA) on chromosome 15. this enzyme is found in Lysosomes.
a. large-mass stars
This is because they take longer to burn out.