I don't know the answer sorry
A or D... depending on which country you are talking about and if it is a developed or developing country...
the effects of overcrowding will definitely be negative...
sorry not much help!
Answer:
Explanation:
The natural particle sources include volcanoes, forest fires, ocean spray, biologic sources and the anthropogenic sources of particles are transportation, fuel combustion in stationary sources, a variety of industrial processes, solid waste disposal and miscellaneous sources such as agricultural activities and fugitive ...
Pigments absorb light used in photosynthesis.Set of wavelengths that a pigment doesn't absorb are reflected.
