Photosythesistransforms solar energy into the chemical energy of a carbohydrateStomatacarbon dioxide in the air anters the many spaces of mesophyll tissue through small openingscholoroplastsorganelles that carry on photosynthesisstromaa double membrane surrounds a fluidthykaloidsthird membrane system within the stroma forms flattened sacsgranain some places are stacked
No this may be harmful depending on what you are using them for
1, 2, and 3
High intensity goals are more likely to produce injuries.
I would think true because stress can be good or bad