Explain how and why a river delta can be formed in area that you have studied. Use labelled diagram or diagrams in your answer. ​

Ahill is made of rock particles of different sizes. which of these agents of erosion probably caused the hill to form?

Soweto was the site of one of the that swept across south africa in the late 1970s. in his effort to end apartheid, desmond tutu turned to . the united states responded to south africa’s apartheid policy in the 1980s by .

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d