What is the process of a mosquito bite. what actually do mosquitoes do

Religious conflict in northern ireland started with a) cultural differences resulting from viking invasions around 800 b) england’s split from the catholic church in the 1500s c) rebellions in ireland between 1916 and 1921 d) the norman invasion of england in 1066

During which era in earth's history were the first insects? mesozoic precambrian cenozoic paleozoic

Irelanda. populationb. square mileagec. average population density per square mile