Answer:
sin a=-4/5
we have sina=perpendicularp/hypotenuseh=-4/5
let p=-4k
h=5k
by Pythagoras theorem
h²=p²+b²
(5k)²=(-4k)²+b²
25k²-16k²=b²
(3k)²=b²
b=√(3k)²=3k
now
cos a =b/h=3k/5k=3/5
The cause is "aerobic exercise" and the effect is "more endurance". The word "gives" indicates that aerobic exercise causes something to happen.
You can do running,pushups,pullups,dips,and drop sets.
Ptosis is the noticeable upper eyelid droop. It is not a disease, and therefore does not cause anything symptomatic, and is not infectious or life threatening. It is mostly associated with aging, or excess skin. The most uncomfortable thing is the possible occlusion of the eyes field of vision (meaning it may cover your eye a little. It is easily correctable with surgery.
"Neglect"
Neglect is the circumstances in which providing of basic needs have not been met. It is an abuse not just common in children but is common with animals, handicapped, and geriatrics. Neglect does not involve anything physical or direct but is dangerous because needs are not met.