I am guessing its the chlorophyll. <span />
C. Since they have to gain that skill.
Most irregular galaxies are thought to have formed from <span>collisions between other galaxies.
This is just one wat that irregular galaxies are formed; the collision is due to the interaction of their gravitational forces. These galaxies might have been regular before the collision, but are not deformed.
Another form of irregular galaxies are the ones that are still very young and therefore have not yet reached their symmetrical state.</span>
Answer:
1. Arch of Aorta
2. Thoracic Aorta
3. Abdominal Aorta
4. Common/external iliac artery
5. Femoral artery
6. Popliteal artery
7. Anterior tibial artery
8. Dorsalis pedis artery.
This is what I got for this question, hope this helps!!
Explanation: