What effect did the earth guns have on the martians? Give an example.

The Earth guns did damage to and stunned the Martians, but the Martians quickly recovered.

The shell burst clean in the face of the Thing. The hood bulged, flashed, was whirled off in a dozen tattered fragments of red flesh and glittering metal.

“Hit!” shouted I, with something between a scream and a cheer.

I heard answering shouts from the people in the water about me. I could have leaped out of the water with that momentary exultation.

The decapitated colossus reeled like a drunken giant; but it did not fall over. It recovered its balance by a miracle, and, no longer heeding its steps and with the camera that fired the Heat-Ray now rigidly upheld, it reeled swiftly upon Shepperton.