Question: what will happen if Mars attach to Earth

Jason Mc Guire answered on 20 Nov 2019:

Hueston, we’ve got a problem! If they were attached, the worlds gravity would be serverly effected, the ocean would move towards Mars, meaning someplaces would be flooded and other places the ocean would be very very low or gone altogether, than we look at our orbit around the Sun, this would be thrown waay out of wack, so the 2 planets would find a new orbit or crash into someother planets! But dont worry that wont happen!