Boat, Fishing Equipment(spear), and irrigation
An orthophoto is an aerial photograph planimetrically corrected. Orthophotographs have the positive attributes of a photograph such as detail and timely coverage, and the positive attributes of a map including uniform scale and true geometry.
I think its a primary source because if there isn't much info to go off of
Answer:
A, B, D
Explanation:
They are what they have in common
