question:
Currently, in the area of phosphor LED development, much effort is being spent on optimizing these devices to higher light output and higher operation temperatures.
What can improve the efficiency of LED-based white light?

answer: no

question:
According to a 2001 report from The World Factbook by CIA, about 50% of Nigeria's population is Muslim, 40% are Christians and 10% adhere to local religions.
In 2001, what percent of Nigeria's population was Muslim?

answer: yes

question:
The Portuguese in Guinea were largely restricted to the port of Bissau and Cacheu.
What ports were the Portuguese restricted to?

answer: yes

question:
In everyday non-scientific usage the word excludes humans that is, "animal" is often used to refer only to non-human members of the kingdom Animalia; often, only closer relatives of humans such as mammals, or mammals and other vertebrates, are meant.
What does the Latin word animalis mean?

answer:
no