define Air pollution, the presence in or introduction into the air of a substance which has harmful or poisonous effects., types of air pollution?, Natural sources,Human activity, Photochemical Smog, Photochemical Smog forms when exhaust from vehicles or pollution from factories reacts with light., where is the ozone layer located?, The ozone layer is part of the atmosphere. It’s located about 15-35 km above earth’s surface.

science

tomonidan
Chop etish
qo'shib qo'yish

Ilg'orlar ro'yxati

Hozirda biz Leaderboard funktsional imkoniyatlarini yaxshilash ustida ishlamoqdamiz. Iltimos, fikr-mulohazalaringizni bildirib, bizga yordam bering.

Fikr bildirish

Vizual uslub

Moslamalar

Hozirda biz Faoliyat sozlamalarini yaxshilash ustida ishlayapmiz. Iltimos, fikr-mulohazalaringizni bildirib bizga yordam bering.

Fikr bildirish

Namunani almashtirish

Tahrirlashni davom ettirish: ?