Answer: B, 3 atoms
Explanation: The number of atoms for each element in the formula are calculated by looking at the subscripts and the coefficient. The calculation is given as Al atoms =2x1, S atoms = 3x1 and O atoms = 3x4.
Both have increased gradually over the past 150 years.
- Global warming is a gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect.
- Global warming is the increase of the Earth's average surface temperature due to accumualtion of greenhouse gases in the atmosphere. Climate change is a broader term that refers to long-term changes in climate, including average temperature and precipitation.
- Effects of global warming are rising sea level Increased temperature, Habitat damage and species affected Changes in water supply
- Burning of fossil fuels, pollution from coal, natural gas, and oil are reason of global warming happening
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Answer:
In biology, a subculture is a new cell or microbiological culture made by transferring some or all cells from a previous culture to fresh growth medium. This action is called subculturing or passaging the cells. Subculture is used to prolong the life and/or expand the number of cells or microorganisms in the culture.
Answer:
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Explanation:
