<h2>
<em><u>air</u></em><em><u> </u></em><em><u>pollution</u></em><em><u> </u></em></h2>
Explanation:
<h3><u>I</u><u> </u><u>don't</u><u> </u><u>know</u><u> </u></h3>
The sky is pale blue in higher altitudes while it is deeper blue in lower altitudes. This is because there is more air molecule closer to earth surface (as a result of higher air pressure) than higher altitudes. The air molecules are responsible for scattering of sunlight hence giving the sky its blue hue. The more the air molecules the more the scattering.
Answer:
Explanation:
In Sri Lanka there was distrust between the Sinhala and Tamil. These communities escalated their problems into a full-out civil war because Sinhala was declared as the only official language and they completely disregarded the Tamil. Besides this, the Sinhala had privilege over the other side in government jobs and almost all higher positions in the bureaucracy.
When the moon is in the middle of earth and the sun.