You work at Sunny Hills Garden and Nursery and are given this document. The rationale behind providing several different suggestions for barriers is:
O to educate the customer on which options to avoid.
O to maximize the sales options given to the customer.
O to discuss the benefits and drawbacks of each method.
O to prevent the customer from using a single impediment.
O to encourage a specific method for blocking weed growth.

nobles

explanation:

someone who has high morals and ideals or people who are royalty or who have good breeding. an example of noble is a person who is always honest and charitable. an example of noble is a king.

think its caste system

explanation:

two jet streams that directly affect the formation of weather in the continental part are a polar jet and a subtropical jet. they are responsible for the transportation of weather systems, which directly affect people. the polar front is the boundary between cold air from the north pole and warmer equatorial air. both the polar jet and the subtropical jet blow from the west to the east, and follow the boundary between cold and warm air.

the strongest jet streams are polar jets, while subtropical jets are somewhat weaker.

the right answer is c. the polar jet stream is generaly stronger than the subtropical jet stream.