The primary muscle used for normal breathing would be the lungs. Addition muscles used would be the diaprahm.
On the thylakoid membranes
Hi there!

Composite volcanoes, shield volcanos, and cinder cone volcanos are all different types of volcanos found on the Earth's surface.
Igneous is a type of rock typically produced by volcanoes, so it is not a type of volcano.
Therefore, the correct answer is B. Igneous.