If I have 30 activities, will I get marit automatically?
I mean here only talking to you will get 30 activity I will get marit
It's a bad way to introduce yourself here, you will need to gain knowledge and then money may come as a result of this knowledge.
Most good signature campaigns require a + full account account which means 120 activity or 120 days, so during this period learn new things, improve the quality of your posts and you will join the campaign quickly.
As for the quick race to participate in a campaign, it will make you give up the idea quickly.