Over-exposure to certain types of electromagnetic radiation can be harmful. The higher the frequency of the radiation, the more damage it is likely to cause to the body:1  microwaves cause internal heating of body tissues. 2  infrared radiation is felt as heat and causes skin burns.ver-exposure to certain types of electromagnetic radiation can be harmful. The higher the frequency of the radiation, the more damage it is likely to cause to the body:
Hygelac is also mentioned in Beowulf, a long poem in Old English (the language spoken in early medieval England). The poet describes how Hygelac took on the combined forces of Franks, Frisians and âHetwareâ (the âAtt-oariiâ of the Liber Historiae Francorum) and that he died in Frisia. ealdor dugoÃ°e.
BEOWULF Grendel 1. Who is Hrothgar? The king of the Danes. A wise and aged ruler. 2. What is Herot? King Hrothgarâs mead-hall. 3. Describe Grendel using 4 specific details from the text. 1. Murderer 2. Unattractive 3. Big Claws 4. powerful monster 4. What irritates Grendel and becomes his motive for attacking Herot?