The specialized type of cell in human eyes which help to detect color, a layer at the back of the eyeball containing cells that are sensitive to light and that trigger nerve impulses that pass via the optic nerve to the brain, that is called a retina.
Answer:
Lakes can vanish due to natural processes and human activity. Bacteria break down lake species' bodies and release nutrients into the water when they die. Eutrophication is the accumulation of nutrients in a lake over time. Lakes and rivers all throughout the world have dried up as a result of rising water demand and a warmer environment. Overpumping of aquifers and excessive diversion of water from rivers.
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Answer:
The correct answer is option b.
Explanation:

Mass of coal burned =
metric ton = 1.00\times 10^6\times 10^3 kg=10^9 kg[/tex]
1 metric ton = 
Molar mass of coal :

1 g = 0.001 kg
Moles of coal ,n :
If 2 moles of coal on combustion gives 270 moles of carbon dioxide than n moles of coal will give;
of carbon dioxide.
Molar mass of carbon dioxide gas = 44 g/mol = 0.044 kg/mol
Mass of
of carbon dioxide:
