What was the primary reason for establishing the organization of petroleum exporting countries (opec)?

The chart shows how climate change and rising ocean temperatures might affect the types of hurricanes we see this century. the bars show the results from different math models used to make the predictions.

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 .

What weather system might be occurring if the pressure gradient decreases and fish harvests in peru are weaker than normal