Around 1800 (plus or minus about 5 years) is when it was estimated that the world's population had reached 1 billion.
Answer:
label A: South American plate
Label B: African plate
Label C: indo-Australian plate
Explanation:
Answer:
Constituents of Environment
# Physical elements constitute space, landforms, water-bodies, climate, soils, rocks, and minerals. ...
# Biological elements include plants, animals, micro-organisms, and man.
# Cultural elements include economic, social and political conditions which are largely man-made features.
Explanation:
Brainliest please
True. Smog is fog combined with other pollutants like smoke than can be from automobiles or cars.
Hope this helps.