just pay attention to what the teacher is teaching for one day and then the next day answer the questions that ur teacher asks. Then if she appreciates u, u feel good and start loving school. Ask ur parents and ur friends to motivate u. Try not to cheat in exams. U get good marks and then everyone will be happy. dOnt ever think of dropping out.
Meiosis is characterized by one round of DNA replication followed by two rounds of cell division, resulting in haploid germ cells. Crossing-over of DNA results in genetic exchange of genes between maternal and paternal DNA.
Kinetics is the study of the speed of a chemical reaction some chemical reactions are fast others are slow sometimes chemists want to speed the slow ones up and slow the fast ones down