In considering the water quality in and around the US, the EPA analyzes these critical physical states: temperature, light, and
hydrology including rainfall, flow rates, and sea level. What key human activity could result in changes in all of the physical states
listed here?
global warming
release of carbon dioxide into the atmosphere
an ever-increasing hole in the ozone layer in Earth's stratosphere
changes in the hydrologic cycle and rates of evaporation/precipitation
Submit

they may bind directly to special “promoter” regions of dna, which lie upstream of the coding region in a gene, or directly to the rna polymerase molecule.

i think that the best answer would be c.

tell me if im wrong : )

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]