Answer:
80%
Explanation:

800 / 1000 = 0.8
Efficiency = 0.8 *100 = 80%
Soccer was made in 19th December 1863, football was November 6, 1869 (ha), baseball was 1839, track and field is 776 BC,
The correct answer is: 1792g or 1800g.
(When you round it)
Answer:
0
Explanation:
because during free fall we experience wieghtlessness