At school, I always try to conserve energy. Every day, I turn off the lights and fans before leaving the classroom. I also make sure the taps are turned off after washing my hands and drinking water. These actions are important because they help reduce wasted electricity and water. Doing so prevents the depletion of vital resources, protects the environment, and saves costs for the school.

1.Students should use online resources for learning.

2.Although she didn't speak English well,she traveled alone to the UK.

1.The students are doing a science experiment in the lab now.

2.Space travel will become affordable for everyone in the future.

3.You shouldn't stay up late to watch TV programmes.

A,nước ngầm hình thành từ đất

B,Ko xả rác bừa bãi xuống ngồn nước

A,đại cổ việt ,champa ,pa-gan,pe-gu,tha-ton,Campuchia.dvva-ra-và-ti,ha-ti-pun-giay-a ,Sri vi -giấy-a,bu-tu-an,là-lin-ga,tu-ma-sic

B,các vương quốc nằm ở vùng lục địa (như champa ,chân Lạp ) ở hạ lưu sông chao phray - a (thái lan) lưu vực sông I-ra-oa-đi 

A, đá mẹ , khí hậu ,sinh vật ,thời gian ,địa hình 

b, xar rác bừa bãi , xả nước bẩn