I would say that the parameter or symptom most important for the diagnosis of heat stroke would be the giddiness. Personally, I was kneeling down working in the heat a few years ago at a job and when I stood up I blacked out and fell to the ground helplessly and the first aid attendant figured it may have been due to heat stroke.
1 - F
2 - A
3 - C
4 - D
5 - B
6 - E Apparantly it needs to be 20 characters to just ignore this sentence
A is the answer because this the only thing that folds
Both of the Hibiscus plants have different colors, when mixing both the blue and yellow gene the younger plants combined the genes and make the color green.
The answer is a
Hope this helped