Check for vaccuum leaks this could be your problem.
stepping on it, squishing it to death
it is the catalyic converter. That is what happened to mine
If the engine is turning over but it won't start then your car is equipped with an inertia sensor that kills the engines ability to run (in case of an accident). You need to take it to a repair facility and have this replaced.
it kills fishes and damages their habitat
a tiger only has one enemy[or 2/3].it does not hide from this enemy it runs because it is so big that it kills the tiger by stepping on it.
sexually transmitted diseases
Shakes the Earth, causes fires, kills people
it causes fires, kills, destoys home
You may be looking for the word "Algae" That is the stuff that "Blooms" then decays and poisons the water which causes fish kills.
reverse kills engine
athena
Yes smoking causes a number of diseases and kills people.