Inspired by Valentine's Day, Bob decides to travel to Buenos Aires, Argentina (in South America) so he can learn the tango. Should he pack his warm parka and Where's Waldo ski cap for when he gets there?

Which of the following statements about the migration of workers to other countries is false?

Impressions of tropical swamp plants were observed on rocks in polar regions. the impressions were dark black imprints, which means the fossils are examples of ( 1 ) the fossils tell us that polar regions ( 2 ) ( 1 ) a. carbonization b. mineralization c. trace fossils ( 2 ) a. had tropical plants that can grow in ice b. might have had a diffierent climate in the past c. will have abundent vegitation

What structure on the south african coast has a range of 63 km and releases flashes every 30 seconds?