3 million in 1854 and 21million in 1900
it's the last option. "wealthy males continued their education past the age 12"
The green and the orange one
Here, speed has increased by double to it's original value.
p = m*v
As they are directly proportional, momentum will also increase by it's double value.
Please put that in"Physics" section not in "History".
Hope this helps!