a book weighs 16 N and is placed on a self that is 2.5 m from the ground. what is the gravitational potential energy of the book

Which of the following would be least likely to support the modern concept of biological evolution? ( 2 points) a)different species of organisms with similar bone patterns b)different species of organisms with similar reproductive rates species in c)different domains with similar metabolic pathways species in d)different kingdoms with similar cellular structures.

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

If an organ has six haploid chromosomes,how many chromosomes are present. 6 12