85% of africans live in
a.
north africa
b.
the sahara desert
c.
the nile river valley
d.
sub-saharan africa

What is the speed of sound in water

Crisis in rivalries between the serbs, croatians and muslims has been going on for centuries and only intensified during the 1990s when non-communist rulers were elected

Which types of seismic waves travel through earths interior? select all that apply. a) l waves b) p waves c) s waves