16. Which choice best describes methane (CH4)2
A. monosaccharide
B. amino acid
C. simple hydrocarbon
D. unsaturated hydrocarbon
E. cyclic hydrocarbon

B

Explanation:

because amino acid is the only best choice to describe methane.

the concept of nucleosome occupancy, which reflects the fraction of cells from the population in which a given region of dna is occupied by a histone octamer

the circled areas are referred to   as sunspots.   the sunspots are cooler than the   surrounding area.

sunspots are temporary phenomena on the photosphere of the sun that appear visibly as dark spots compared to surrounding regions. they correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.