ECBenchmarkConcepts

ECa: Food Webs
This benchmark //looks like// the graded exercise, but here you must get them all right without fixing mistakes as you go. If you make mistakes, learn from them and try again!

ECb: Water Pollution
This benchmark //looks like// the graded exercise, but here you must get them all right without fixing mistakes as you go. If you make mistakes, learn from them and try again!

ECc: Global Warming
This benchmark //looks like// the graded exercise, but here you must get them all right without fixing mistakes as you go. If you make mistakes, learn from them and try again!