Answer:
The correct option is a (true).
Reason:
Carbon dioxide and methane gas are the principle's gas components
present in magma.
An adaptation-----------------------
Climate effects and human impacts, that is, nutrient enrichment, simultaneously drive spatial biodiversity patterns. However, there is little consensus about their independent effects on biodiversity. ... Species turnover rates caused by nutrients do not increase toward higher temperatures
DNA is made of genes. so it is C
