On the day harvey is to present his dissertation, he wakes up with a severe head ache. during the presentation, he felt no pain in his head. not until 15 minutes after the presentation is over does harvey become aware of his head ache again. harvey's occurrence is best explained by:

What evidence is there that convection occurs in earth’s troposphere?

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.