Hi @andea88,
Welcome to steemit.
I invite you to Complete Your Achievement Tasks in Newcomer's Community, published by cryptokannon. This course will enable you to improve your writing skills as well as you will be able to present your content in an organized manner.
You can also join Steemit Crypto Academy and participate in Introductory Courses which will help you to improve your knowledge about the crypto world.
If you are new at steemit "your steem power is under 125 " and you want to work on Steemit Crypto Academy then you can apply for Steemit Crypto Academy Beginners Package 125 SP Booster
There are many other communities that you can join and some of these communities are listed below:
and many more communities that you can join.