This is a compound sentence because it is two independent cluases joined by a conjunction (after). A complex sentence would be one independent clause and one dependent clause joined with a conjunction and a simple sentence is just a sentence with one independent clause.
Answer:B. (i think)
Explanation:One undeniable fact is that scorpions are venomous. ... Most species possess a sting comparable to that of a bee sting, but a few scorpion species have a venomous sting that can be lethal to humans. Scorpion venom is a neurotoxin, a chemical that affects the nervous system, ultimately killing or paralyzing their prey.
May somebody please educate me on this man?