While fire works against the aliens temporarily, the real key is salt water, which reduces them to a chlorophyllic pulp. Creature is lured into a nosecone of a rocket and sent to Mars. Robot has his face partially burnt with nitric acid and is finally set ablaze with a torch. Microscopic alien viruses can survive only within a narrow pH range. Dangerous creature captured by enormous brassiere.
Creature is strangled with chain by slavebabe in bikini.
While still scalding hot from having molten lead poured on it, creature shatters after being sprayed by a water sprinkler. Shape-shifting robot becomes unstable in molten metal. Monster has himself shot after partially merging with a teleportation pod. The monster, which replicates the cell structure of anything it devours, is defeated when a scientist feeds it his own cancerous liver. Furry monsters are driven off with a little help from alien bounty hunters.