That is the best book that I ( have read )on that subject.
reason = because that event has already happend in past but its impact is still on present so it is past perfect..........
Answer:
"Historians have spent years trying to crack language codes.
Explanation:
This one gives background on having to decode something meaning they are trying to figure out what the language or thing is.
Answer: producers
Explanation :Producers, also known as autotrophs, make their own food. They make up the first level of every food chain. Autotrophs are usually plants or one-celled organisms. Nearly all autotrophs use a process called photosynthesis to create “food” (a nutrient called glucose) from sunlight, carbon dioxide, and water
please give 5 star rating
Now I might be wrong but I'm 99.9% positive that the answer is
5)Juliet's death has made Romeo lose all feeling and not care about anything anymore.
Romeo is upset over Juliet's death and he does lose interest for everything else besides Juliet and how he feels its his fault and it does result in Romeo being suicidal so that's why id pick the last one. Sorry though, if I'm incorrect.
hope this helped!!!