I think it’s either 1 or 2 !!
Answer: 25 μg of calcium in a total volume of 57 mL to ppm is 0.4386ppm
Explanation:
Please see the attachments below
Explanation:
carbohydrate,fat,protein, vitamin, mineral, water
When water vapor in the atmosphere loses heat and cools down, condensation happens. As the water vapor cools down and condenses, it attaches to small particles of dust floating in the atmosphere, forming tiny liquid water droplets.