what is the hottest atmospheric layer?

what is the coldest atmospheric layer? What is the ozone layer? What is the hottest day of a week? What is the hottest topic at your school?In Hangzhhou Yongji 英语翻译What is the hottest topic at your school recently?In Han What is the hottest topic at your school?In Hangzhou Yongjin 猜一下英语谜语:What is the hottest day of a week? 英语阅读理解What is the hottest topic at your school recently? 英语阅读翻译:what is the hottest topic at your school recently短文翻译 The weather is the very hottest It is the hottest time__the day July is the month____is usually the hottest.A.whose weather