The factors that contribute to Mercury's daily temperature fluctuation of about 600°C are the planet's slow rotation and
A. its close proximity to the sun.
B. its dense atmosphere.
C. its heavy, rocky, water-less terrain
D. the absence of a thick atmospheric layer to regulate temperature.

coal is not sustainable because it will one day run out.

lysosomes contain a variety of enzymes, enabling the cell to break down various biomolecules it engulfs, including peptides, nucleic acids, carbohydrates, and lipids (lysosomal lipase). the enzymes responsible for this hydrolysis require an acidic environment for optimal activity. hope i !

six grader is what i am ssorry

c. is the correct answer