The correct answer is D.) Atom ,
Everything in the universe is made of atoms , and matter is too.
Anything that takes up space is usually considered matter.
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Answer:
B. Organic Matter
Organic matter is what differentiate a mineral from a rock.
Carbon dioxide—\text {CO}_2CO
2
start text, C, O, end text, start subscript, 2, end subscript—from the atmosphere is taken up by photosynthetic organisms and used to make organic molecules, which travel through food chains. In the end, the carbon atoms are released as \text {CO}_2CO
2
start text, C, O, end text, start subscript, 2, end subscript in respiration.
Slow geological processes, including the formation of sedimentary rock and fossil fuels, contribute to the carbon cycle over long timescales.
Some human activities, such as burning of fossil fuels and deforestation, increase atmospheric \text{CO}_2CO
2
start text, C, O, end text, start subscript, 2, end subscript and affect Earth's climate and oceans.
Answer is b. Thiamine
Vitamins are essential nutrients which are crucial for maintaining optimal health. Vitamin B-complex is a water soluble vitamins which includes thiamine (B1), niacin (B3) riboflavin (B2), folate and iron. These are added during enrichment process of foods like cereal grains and breads, as well as other foods such as meat, poultry, eggs, fish milk, legumes, etc.
