Wind is the most common cause of erosion in deserts.
Answer:
It contains all of the instructions a cell needs to sustain itself. These instructions are found within genes, which are sections of DNA made ... form that can be used by cells to produce the proteins needed to support life. ... In other cases, the RNA molecule carries messages from the DNA to other parts of the cell for processing.
Explanation:
a nurse must check for blood return. prior to any administration of drug via implanted port it is crucial that nurse for any blood return. if there is no any blood return nurse should hold the drug until patency is obtained established again.