The question is asking to choose among the following choices that states the mechanism does Cork cambium use to protect the stem and in the choices, I would say that the answer would be Deposits of water in the cork cambium act as a barrier and protect the stem from water loss, physical damage, and invasion of pathogens.
Get started with AWS Config. AWS Config is a service that enables you to assess, audit, and evaluate the configurations of your AWS resources. Config continuously monitors and records your AWS resource configurations and allows you to automate the evaluation of recorded configurations against desired configurations.
What is AWS? AWS, which stands for Advanced Wireless Services, generally refers to the 1700/2100MHz frequency band pairing in the U.S. that will be used for T-Mobile USA's 3G UMTS network. Unlike typical spectrum licenses sold by the U.S. government, such as the 1900MHz PCS spectrum bands, the AWS bands use different frequency ranges for cell towers than they do for handsets. The U.S. government has indicated that it intends to offer other paired AWS bands in the future, but none are currently in use. Also known as: Advanced Wireless Services See Also: 3G, UMTS