The Natural World - the sea A quiz on the sea based on basic knowledge and information found on the VFT I created zoeproudfoot published on April 03, 2012 Stacked 1/8 How long is the Great Barrier Reef? 2,000 km 4,000 km 6,000 km 2/8 How many barrels of oil are estimated to run into the oceans each year? 7 million 14 million 21 million 3/8 How many low tides are there each day? 1 2 3 4/8 What is the name of this marine mammal? Shark Mermaid Dugong 5/8 How many marine mammals are estimated to die due to sea pollution? 10,000 100,000 1,000,000 6/8 Which country has the longest coastline? Canada Great Britain South Africa 7/8 What percentage of the Earth's surface is covered by ocean? 65% 70% 75% 8/8 How many birds are estimated to die due to sea pollution? 10,000 100,000 1,000,000
