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Agroup of organisms that changes over time is said to

This problem has been solved! see the answerbuilding a sea wall to prevent ocean water from encroaching on a city is an example of climate change [ select ] ["sequestration", "mitigation", "vulnerability", "adaptation"] .creating a carbon tax to provide incentives to reduce co2 emissions is an example of climate change [ select ] ["sequestration", "mitigation", "vulnerability", "adaptation"] .planting more forests is an example of enhancing carbon [ select ] ["sequestration", "mitigation", "vulnerability", "adaptation"] .the tendency to be adversely affected or lack of ability to adapt defines climate change [ select ] ["sequestration", "mitigation", "vulnerability", "adaptation"] .sequestration, adaption, mitigation, vulnerability

If a dna molecule has 100 nucleotides and 22 of them are cytosine, how many thymines does it have?