High density because it is obvious it will be hard to rip and tear.
Under free fall, the object is falling with a velocity that is increasing uniformly. Since the gradient of position-time graph reflects the velocity, the gradient is increasing, i.e. curve.
answer:
MAXIMUM SPEED
explanation:
IM SURE THAT IS THE ANSWER
Answer: ompare and contrast aerobic physical activity with anaerobic physical activity. ... Aerobic physical activity is better for the cardiovascular system than it is for strength endurance, while anaerobic physical activity is better at building strength endurance than it is at increasing cardiorespiratory fitness.
Explanation: hopefully this helped ;)