However, harsh smart grid environment propagation characteristics cause great challenges in the reliability of WSN communications in smart grid applications.
However, the diversity of rules, regulations, and standards has also caused great challenges for policymakers, because regulations and governance that affect teacher policy are inextricably linked.
Related imaging work suggests that conflict is represented in the anterior cingulate cortex (ACC) and the dorsolateral prefrontal cortex (DLPFC), 15 structures that are late to develop and, in cases of parental conflict, can cause greater challenges in adults.
If preventive programmes remain unchanged, the increasing demands for curative health care may cause great financial and management challenges to the health care system in Mexico.
For the person with dementia, change and loss of control is a very personal challenge that causes great anxiety and frustration.
The disease can cause great harm.
However, that deal has caused great consternation.
This will cause great confusion.
It caused great pain to the people".
"The delay has caused great difficulty.
