Sunlight is a physical factor that really determine the amount of plant life available in an ecosystem. Plants depend on sunlight to produce their own food via photosynthesis. Hence in the absence of sunlight, the amount of plant life will drastically reduce in a given ecosystem. Sunlight is indispensable for plant growth.

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2 years ago

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Name one gas that can form when the carbon in coal burns! And describe its harmful effects

nalin [4]

Coal is mainly made of carbon and there’s oxygen in the air so this burns to produce carbon dioxide. Breathing it can really hurt your lungs.

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2 years ago

If an atom has 34 protons and 40 neutrons, what is its mass number? 40 6 74 34

Darya [45]

Protons+Neutrons
34+40= 74

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