Which phrase describes the absolute age of a rock? O does not provide an exact age
is the number of years since it formed
is the age compared to other rocks around it
O indicates whether it is younger or older than the rocks above it

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d

The energy required to vaporize a certain amount of a substance is greater than the amount of energy necessary to raise the temperature of the same amout of that substance by 1 degreee celcius