Is eating a Dicopomorpha echmepterygis size Uranium pellet fatal?
Rationale first then the answer.
Dicopomorpha echmepterygis is a wingless insect that is .13mm large. Uranium is a radioactive element that is dangerous if ingested in large doses. 25mg of Uranium would cause kidney damage, while 50mg would cause complete kidney failure in humans.. The answer is: no.

Would downloading Mario 64 on an emulator be legal?
Rationale first then the answer.
Mario 64 is licenced to Nintendo Entertainment. Nintendo holds a copyright on all of their Mario games.. The answer is: no.

Are some Brazilian Navy ships built in Britian?
Rationale first then the answer.
The Brazilian Navy stated in 2018 that they had purchased the helicopter carrier ship HMS Ocean. HMS stands for "His/Her Majesty's Ship", which is emblazoned on ships of the British Royal Navy. Some of the ships in the Brazilian Navy are guided missile frigates built in Britian.. The answer is: yes.