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Ammonia forms 1:1 adducts with a variety of Lewis acids such as I 2, phenol, and Al(CH 3) 3. Ammonia is a hard base (HSAB theory) and its E & C parameters are E B = 2.31 and C B = 2.04. Its relative donor strength toward a series of acids, versus other Lewis bases, can be illustrated by C-B plots .
Roads are the dominant form of transport, carrying 98 percent of people and 58 percent of cargo. [431] In December 2018, there were 210,528 kilometers (130,816 mi) of roads in the country. [432] The backbone of land-based transportation in the country is the Pan-Philippine Highway, which connects the islands of Luzon, Samar, Leyte, and Mindanao ...
[501] [502] A genome-wide association study meta-analysis reports genetic factors of, the so far uniquely human, language-related skills, in particular factors of differences in skill-levels of five tested traits. It e.g. identified association with neuroanatomy of a language-related brain area via neuroimaging correlation. [503] [504] 24 August