Question 11: you are working on an economic development map, using gis. you identify areas that meet each of the following requirements:

-less than 5 km from a highway

-less than 2 km from a railway

-on ground with a slope less than 5 degrees.

what is the name given to the gis operation of combining all these maps, to identify areas that areas that simultaneously meet all these requirements?

a-

solar orbit

b-

remote sensing

c-

overlay operation

d-

line operation

question 12: a "multispectral" image means that the image is:

a-

was acquired at many different times

b-

acquired very quickly

c-

an image of different wavelengths

d-

a 3-dimensional image

e-

acquired from above

question 13: urban areas typically warmer than rural areas because urban areas typically have…

a-

more trees.

b-

vertical surfaces, dark surfaces, high heat capacity, and low evaporation.

c-

more vehicles.

d

-
more people.

e-

higher carbon dioxide.

f-
waste energy from factories and houses