A.
not a, since these civilizations were known for beautiful architecture
B.
true
C.
true, but these are not the only possible forms
D.
true (i think)
....so b and c.... and POSSIBLY d
If we combine nuclear, natural gas and renewables to replace foundational fuels, the crossover is projected to come 50 years out. To achieve this, the natural gas production will have to double.
Photography, also known as Camera Obscura, is an art form invented in 1830s, becoming publicly recognized ten years later. Today, photography is the largest growing hobby in the world with the hardware alone creating a multi-billion dollar industry.
Hope this helps. Have a nice day
I think its B, increasing the temperature of the objects
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