Depth of field is the distance between the closest and farthest objects in a photo that appears acceptably sharp. Now your camera can only focus sharply at one point. But the transition from sharp to unsharp is gradual, and the term 'acceptably sharp' is a loose one!
Nineteenth - women
The 19th amendment expanded the right to vote to about half the population.
15th amendment may increase the voting population but it does not double the population of voters.
identify. you are identifying/recognizing something
Answer:
A. He was concentrating hard on his book
