I might be wrong but I think C ( what the wave it traveling through). I think C because a wave medium is the substance that carries a wave (or disturbance) from one location to another. The wave medium is not the wave itself and it doesn’t make the wave. It just Carries or transports the wave from its source to other locations.
The dominant ones. Whatever has been gained through evolution in adaptation to their specific environment.
The answer is four bonds because they can use one electron for each bond.
Hope that helped :)
Helikazlar tüm canlılar için hayatî önem taşıyan bir enzim sınıfıdır. Nükleik asitlerin fosfodiester omurgası üzerinde hareket ederek birbirlerine hidrojen bağlarıyla bağlanmış nükleik asit ipliklerini (DNA'nın, RNA'nın veya RNA-DNA hibritlerinin) ayrıştırır.
