Discuss four contributing factors that may lead to an increased of learners abusing substances at school

What is the correct trna sequence that would match the following mrna sequence. gcgaua

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.