2 causes of climate change are pollution and changes in land uses. Land use changes cause man-made disasters like the dust bowl of the 1930's. Pollution like greenhouse gasses causes solar radiation that bounces comes from the surface of the earth but doesn't go to space.
I hope my answer helps you!
Well if you mean what does the controlled part of a scientific investigation, it is the part of the investigation that will be your control or your base, untouched, original, data and such.
Answer:
D)
Explanation:
Legend is over the map, thus, making the map harder to read.
