The answer is... The Common Cold!
"Colds" ate generally caused by two specific viruses - rhinovirus and coronavirus
Im not completely sure but I think the answer is Solar Eclipse.
Sorry if Im not correct btw
Answer: the upper epidermis
Explanation: It helps protect the leaf by aiding in preventing water loss and providing an extra layer between the outside and inside of the leaf
They're plant cells. The green organelles should be chloroplast. They're responsible for photosynthesis.