Hi, To me the ESS subject guide is very confusing in this section. They say that carbon in the soil is considered inorganic. As far as I know it is both organic and inorganic. In minerals it is inorganic and in decomposing organic matter...
2.3 Biogeochemical cyclesHi - I've fixed the PDF. Thanks for catching that! Lisa
Data Activity - Topic 2.3 - Forests as Carbon Stores (Answers)Just wondering how students have completed all the SL tasks in 2 hours? The video alone would take more than an hour if you stop and take notes etc as per the task? I've picked and chosen the tasks instead but was just wondering
Topic 8.1 - Self-StudyIt is still reversed in the woorksheet? The per km2 contribution of Colombia is _four_ times that of the Philippines. Are the countries reversed here? Should it be The Philippines is 4x that of Columbia?
Data Activity - Topic 2.3 - Forests as Carbon Stores (Answers)Hello Zoe, could I also get a copy of the exampler? Thank you!
HL: Human Impacts on the Nitrogen CycleThis would be a 9 mark question as it's pretty open. I just created it yesterday so no MS yet but I'll try and prioritise it.
HL 4.1 Impact of Rising Carbon Dioxide on Aquatic SystemsHi folks, how many marks is the exam question worth? Do you have a mark scheme for it? Thanks for all of your hard work!
HL 4.1 Impact of Rising Carbon Dioxide on Aquatic Systems
Zoe
Site authorNo, they needed more than two hours. None of the maths was a full lesson - probably achieved (though not completely) in one lesson. I pared down the population policies to one lesson.
Topic 8.1 - Self-Study