Historical linguists are interested in .Group of answer choicescomparing certain languages to determine if they were derived from a common ancestral languagehow people spoke in ancient timeshow the role of body language differs between different historical periodscomparing how the number of basic color words increases in a society over time

comparing certain languages to determine if they were derived from a common ancestral language                      

Explanation:

Historical linguists are interested in comparing certain languages to determine if they were derived from a common ancestral language. They are concerned in a branch of linguistics known as diachronic linguistics and are interested in explaining changes in language with time, why these changes occurred and the study of the earlier stages of language in humans.

~kinetic ~potential

explanation:

kinetic and potential energies would be types of mechanical energies.

acts of terrorism occur globally. the united nations global counter-terrorism strategy was created in order to build adequate systems of support and solidarity with victims of terrorism. here´s a summary of the proposed key themes: the importance of giving victims a face and a voice; protecting their dignity; giving victims legal status and defending their legal rights; providing victims with medical, psycho-social and financial support; building solidarity with victims; improving media coverage of victims; and focusing on the link between victims and counter-terrorism efforts more generally.