In every post, my site leaves a space after the footer. How do i remove this space? http://www.christiantruthcenter.com

not sure what space you mean - on single post pages or multi post pages?
can you show it with an image and point to the space you mean.

this is the space am taking about. the space i have pointed with arrows in that attachement

That looks like it may have something to do with a plugin you have installed. Try deactivating all your plugins as a test. If the space goes away start activating one by one till you fine the problem plugin.

the problem seems not to be a plugin problem since after deactivating all the plugins, the space remains

Looking at the page source, I believe your issue is caused by a plugin. Please shutoff ALL plugins and I will look at the page again.

Take a look now when all plugins are off

there still seems to be a plugin or extra code active
go to ato->export/import settings - export your settings and attach them to a reply

Here are my settings

Your settings work fine on a fresh site so that means that you have something in your site that is not in the settings and even when you said you had all the pugins disabled I was still seeing something that is not part of a wordpress site with no plugins and your atahualpa settings.

and I see you have re-enabled the plugins so there isn't much more I can do to help you.

I have deactivated them again. what were you see that is not a WordPress setting?

try taking all your widgets out and see waht happens

thanks so much. I could not have figured that out. you are a genius in this area.I had feedcat in the last widget and it was the cause of this problem. thank you again
God bless you