A scientist digs up sample of arctic ice that is 458 000 years old.

After rain, water soaks into the ground and is added to the groundwater. this process is known as a. groundwater pollution. b. groundwater recharge. c. groundwater recycling. d. groundwater filtration.

What does space concept mean in international relations?

Led party light. d. d. d. d. g. l. e. d.