The first one is shield, second is composite, third is cinder cone
Helicase enzyme work to unzip the two strands
4) Speed = distance / time
s = 60 / 2
s = 30 km/h
<span>In short, Your Answer would be Option B
5) Final timing point - initial point
= 14 - 4 = 10 min
In short, Your Answer would be Option B
Hope this helps!</span>