(4) 1. cheap, but/ it releases/ a lot of/ when burned./ Coal/ is/ pollutants • (4) ary/takes/in/usually/ Carnival/place/ 2. February./ 3. Solar energy/renewable/ is the / cleanest and / energy source./ most abundant ""(2); 4. to another/ How/ you travel from/will/ one place/? "(^)" 5. She/ Although my aunt/is poor,/lives happily.