The answer to the item above is letter "C. surface". Surface waves are mechanical waves that propagate in the interface of differing media. These waves very usually have larger altitudes and longer wavelengths than the body waves.
D. North and South piglets.
Explanation: The absolute location does not change, such as the position of a place or the longitude and latitude of a place. The relative location changes depending on the person who informs of the location. On the map of fiction, the element that suggests the relative location is to the North and the South of the piglets. Directions such as north, south, east, and west of great help to explain that when a place is in relation to another.
I don't know if we are talking about the same war but the immediate consequence for Africa of the declaration of war in Europe was the invasion by the Allies of Germany's colonies. Neither side had prepared for war in sub-Saharan Africa. Indeed there was short-lived hope that it might be isolated from the war.
Because parallel measures one degree north or south of the equator, with 90 degree north of the equator and 90 degree south of the equator.
