(01.05 MC)Which of the following best describes the location of the first river valley civilizations? a Civilizations developed in locations ideal for trade with natural defenses to prevent attack.
b Civilizations developed in remote areas so that they did not have to spend tax money on defense walls.
c Civilizations developed in areas well suited for agriculture but relied on trade for everything else.
d Civilizations developed in areas ideal for trade but low in natural resources and defenses.

SO what u want to do is A window washer has an 23-foot ladder.  He needs to reach the bottom of a window that is 16-feet off the ground. How far from the base of the building should the base of the ladder be?   Round answer to nearest hundredth.

Explanation:

Civilizations developed in locations ideal for trade with natural defenses to prevent attack.

b. the 200th birthday of the united states

health care plans in the united states having high costs because they are focusing on providing quality programs for different groups of individuals. the quality of the service is based on money flow received from the members. without this investment, couldn't be possible a constant scientific searching to prevent death and illness caused because of low levels of health investigation. currently, the complaints are not about the highest cost, but about the coverage and benefits to access the necessary health services required by the members.  

besides, if a global health system is established the quality levels will fall down because of the standardized of the health. the access to care will increase but the quality will be low because it depends on the money invested.