Because is best available software for image manipulation, because have many tutorials on web how to do something and because have many plug-ins which allows you to achieve results without even knowing how Photoshop works.
To align images in Photoshop, select the images you want to align, then go to the "Edit" menu and choose "Align" to select the alignment option you prefer, such as aligning them horizontally or vertically. You can also use the alignment tools in the toolbar to manually align the images.
To manually align layers in Photoshop, select the layers you want to align, then go to the "Edit" menu, choose "Align" and select the alignment option you prefer, such as aligning them horizontally or vertically. You can also use the Move tool to drag and position the layers as needed.
Photoshop Elements is Photoshop but with less features, so Photoshop is better but it is professional level software. For home use or to get started Photoshop Elements is OK.
The extended versions have all of the features the normal ones do but they offer extra features such as the ability to import and edit 3D graphics, video enhancement and more tools to use for editing images etc.
Photoshop 3.0
what is photoshop?
No, photoshop is not the law
Well Photoshop Elements is basically Photoshop, but that everything is already ready there. it's like easy version of Photoshop.
You can't. You need brushes photoshop 7 brushes for photoshop 7.0
There are plenty.Many people use Photoshop, or hire a professional graphic designer to make one in Photoshop.Many people prefer logos designed by Photoshop, because of it's professionalism.However there are other services available (depending on your country). Some are free, some will charge:LogoSmartzLogoMakerGIMPSoThinkLoGasterLogoCreatorLogoEyes
By using photoshop of course
No Photoshop CS5 and Photoshop Elements are separate programs.