Does anyone knows what this means

Xtra! extra! backyard birding many schools, families, and young birders across the country participate in the "great backyard bird count." while not as long as a "big year," the "great backyard bird count" happens every year. it depends on birders and families across the country to watch feeders and other areas in their yards and count the number of birds they see. unlike the "big year," the goal is not to see who can count the most birds. instead, participants in this event work together to bird experts get a good idea of how birds are doing. participants are given checklists and enter their sightings on a website. called a "citizen-science" project, this event is open to anyone, requires no travel, and happens every year over one weekend in february. what is the main idea of the "extra! extra! " section of the article? some birding contests are for everyone. backyard birding is fun and interesting. all birding us learn about birds. everyone should be a birder.

Why is it important to understand the interestonality of slavery? plz

Part 1: what is the difference between n and m? part 2: explain your answer for part 1.ask for details follow report by tanairymaldonad 5 days agoyour answer (quit)leonelclara32 ambitiousadd your answerleonelclara32rank: ambitious487/5000/5my challengesanswer 25 history questions in 48 hours to collect 400 points0/251d : 23hanswer 5 questions from any subject in 48 hours to collect 50 points5/5donetry it again! you may attempt only one challenge at a time.challenges to completeanswer 10 questions from any subject in 48 hours to collect 100 points0/102d : 00hstartyou may attempt only one challenge at a time.answer 25 questions from any subject in 48 hours to collect 400 points0/252d : 00hstartyou may attempt only one challenge at a time.answer 5 english questions in 48 hours to collect 50 points0/52d : 00hstartyou may attempt only one challenge at a time.answer 10 english questions in 48 hours to collect 100 points0/102d : 00hstartyou may attempt only one challenge at a time.answer 25 english questions in 48 hours to collect 400 points0/252d : 00hstartyou may attempt only one challenge at a time.answer 5 mathematics questions in 48 hours to collect 50 points0/52d : 00hstartyou may attempt only one challenge at a time.answer 10 mathematics questions in 48 hours to collect 100 points0/102d : 00hstartyou may attempt only one challenge at a time.answer 25 mathematics questions in 48 hours to collect 400 points0/252d : 00hstartyou may attempt only one challenge at a time.answer 5 social studies questions in 48 hours to collect 50 points0/52d : 00hstartyou may attempt only one challenge at a time.answer 10 social studies questions in 48 hours to collect 100 points0/102d : 00hstartyou may attempt only one challenge at a time.answer 25 social studies questions in 48 hours to collect 400 points0/252d : 00hstartyou may attempt only one challenge at a time.answer 5 history questions in 48 hours to collect 50 points0/52d : 00hstartyou may attempt only one challenge at a time.answer 10 history questions in 48 hours to collect 100 points0/102d : 00hstartyou may attempt only one challenge at a time.what do you need to know?