Likely to have unplanned sex, and 25: Those who have their first drink before age 13 are
likely to have unprotected sex.
a) twice as / more than twice as
b) O not/less
c) O ten times more / half as

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.

Differentiate renewable and nonrenewable resources