I think this is answer but i'm not sure it is right or wrong 3+14= 17
The transmission of antibiotic resistance, toxicity, and allergenicity are all known to be major health risks associated with GM foods.
Reported or indirect speech is usually used to talk about the past, so we normally change the tense of the words spoken. We use reporting verbs like 'say', 'tell', 'ask', and we may use the word 'that' to introduce the reported words. Inverted commas are not used.
Most reasonable answer is the swallowable camera one. mris and cat scans were invented in the 70s and the rest of the answers are around the 1800s or before.
