HELP PLS AS SOON IS POSSIBLE What was the average yearly ice loss in 1980 versus 2010? (1 point) What is the overall trend shown in this graph? (2 points) How does a melting glacier affect the ocean?

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

This is so important ugh its 25 points

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?