Manual focus might or might not be important. Very few subjects give you time to photograph them.
Anticipation is a good answer. Mosts sports photos are taken because the cameraman/woman is either a good editor or he/she understands the game well enough to know what will happen.
I don't know that people have to know who you are especially if you are taking pictures of animals or vegetation.
I have enough doubt that you can't pick the last one. So B.
Volume is the quantity of three-dimensional space enclosed by a closed surface, for example, the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains. Volume is often quantified numerically using the SI derived unit, the cubic metre.
(Hopes this helps! Give thanks?)
