Black Sea is one of the most isolated inland seas in the world. The marine ecosystem is highly fragile due to its isolation and many species are in bad conservation status. By collecting and submitting findings you can contribute to study of the occurrence and distribution of species in the Black Sea thus creating sound scientific basis for proposal of relevant conservation measures.

Black Sea Watch alternatives

Khan Academy

Khan Academy allows you to learn almost anything for free. In our iPhone app:-You can learn anything for free: Over 10,000 videos and explanations at your fingertips in math, science, economics, history, and much, much more- Sharpen your skills: over 40,000 interactive Common Core aligned practice questions are included with instant feedback and step-by-step hints. Head over to www.khanacademy.org to learn more.Khan Academy allows you to learn almost anything for free.

  • rating 4.28571

Voscreen

Learn English by watching movies, music videos, documentaries and cartoons. Voscreen improves your English language ability through short video clips. Website: https://www.voscreen.comFacebook: https://www.facebook.com/Voscreen Twitter: https://www.twitter.com/voscreenlifeInstagram: https://www.instagram.com/voscreenYoutube: https://www.youtube.com/Voscreen

  • rating 4.37209
  • size 33.7 MB

Memrise: Language Learning App

Learn a language and explore a whole new world with Memrise. Where will your language learning adventures take you? Account settings at least 24 hours before the end of the payment period.Follow us on social media for inspiration on your foray into the language learning world:* Facebook: https://www.facebook.com/memrise/* Twitter: https://twitter.com/memrise* Instagram: https://www.instagram.com/memrise/ Privacy Policy: https://www.memrise.com/privacy/Terms of Use: https://www.memrise.com/terms/

  • rating 4.8
  • size 192 MB

Learn English with Videos!

()TOEICPCWeb13EnglishCentral1. - 10,000 2. - ()2200EnglishCentral(Langrich)201512EnglishCentral: [email protected]: http://www.facebook.com/EnglishCentralJapanhttp://ja.englishcentral.com/static/termshttp://ja.englishcentral.com/static/privacyiPhone21,800PC10(PC)iTunesiTunes24

  • rating 3.5625

busuu - Learn Languages

Join 70 million busuu users waiting to help you learn a language Become a member of the busuu Community and have your speaking and writing exercises corrected by native speakers. Plus, you can help others in your native language Bloomberg Business Innovators 2016 Among all the language learning apps studied so far, the efficacy of busuu is the best. Privacy policy: https://www.busuu.com/en/privacy/Terms of Service: https://www.busuu.com/en/terms/

  • rating 4.71786
  • size 124 MB