<span>Air masses rise and sink due to the fact that warm air is lighter than cold air , thus warm air rises and cold air then sinks. When air masses rise, gaseous molecules are transported into the atmosphere which negatively impacts the ozone layer.</span>
The correct answer to your question is A. :)
Endocytosis is the process used by the cell to bring in large molecules.
Answer: One of the primary differences between DNA and RNA is that DNA is double-stranded while RNA is single-stranded.
"They are made of DNA. Ribosomes are cellular components that manufacture proteins from amino acids but they are NOT made of DNA."
Hope helps!-Aparri
