What were the initial observation that led to the discovery of the ozone hole?

How has u.s. participation in international economic development efforts affected other countries? o a. it has made some countries decide they no longer want close ties with the united states. b. it has ended diplomatic ties with countries that refuse to participate. c. it has raised money to poor nations grow their economies. d. it has caused the united states to intervene militarily to stop human rights abuses.

What was “reborn” during the renaissance?

How did the geography of the arabian peninsula affect its religious and cultural diversity?