<span><span>Burning of fossil fuels emits sulphur dioxide.
<span><span>S (in coal) + O2SO2
</span></span></span><span>
Sulphur dioxide reaches the atmosphere, it oxidizes to first form a sulphate ion.
<span><span>
2 SO2 + O2 2 SO3</span></span></span><span>
The sulphate ion joins with hydrigen atoms in the air and becomes sulphuric acid. This then falls back down to earth as "acid rain"
<span><span>
SO3 + H2O H2SO<span>4
Hope this at least helped a little c:</span></span></span></span></span>
I just took the test and the correct answer is B. eukaryotic cells
I’m pretty sure it’s C but try googling it
Answer: Carotenoids are pigments in plants, algae, and photosynthetic bacteria. These pigments produce the bright yellow, red, and orange colors in plants, vegetables, and fruits.Carotenoids act as a type of antioxidant for humans.There are more than 600 different types of carotenoids. Some can be converted into vitamin A when released into the body. A few of the most common carotenoids include: 1. alpha carotene 2. beta carotene 3. beta cryptoxanthin 4. lutein 5. zeaxanthin 6.lycopene
Explanation:
