Which group of plants has pin-cones and needle-like leaves?

Conifers

Conifers are the dominant phylum of gymnosperms, with the most variety of species. They are typically tall trees that usually bear scale-like or needle-like leaves.

Explanation:

Higher Classification: Pinaceae

Scientific Name: Pinus

Kingdom: Plant

Order: Pinales

Biological Rank: Genus

Lower Classifications: Strobus, Ducampopinus, Pinus

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sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

b.have there own function.