Define chloroplast in short answer
plz tell

Wind energy is plentiful in regions with vast open spaces it is a non polluting renewable resource what could be an economic factor that makes the use of this resource less feasible then non renewable resource even in such regions

What is used as a template during replication? a- mrna b- trna c- rrna d- dna

Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.