That's my first message in the community so, first of all, hi everybody!
(also, sorry in advance for my probably bad english, and if some terms aren't really appropriate. I hope to make myself understood!)

So! I'm pretty new to Mathematica and i have a little problem.
I'd like to plot together a sphere and a cylinder and, eventually, put in evidence their intersection points (respectively: x^2+y^2+z^2=4 and x^2+y^2-2x=0).
I've tried with ContourPlot3D but it seems to me, i can only plot one of them at a time..
Any suggestions?

Thank you!