Answer:
About 5billion years ago is the correct option.
Explanation:
Hope this will help you :)
The palisade cells are the main site of photosynthesis, as they have many more chloroplasts than spongy mesophyll, and also have several adaptations to maximizes photosynthesis efficiency. Large Vacuole restricts chloroplasts to a later near outside of the cell where they can be reached by light more easily.
Answer: the winding structure of the ER results in a large membrane surface area that supports its function
Explanation:
I think it s C. It makes more sense.
The order of the vessels in which the blood will pass through is
right internal jugural vein
right brachiocephalic vein
superior vena cava
cavernous sinus
aorta
brachiocephalic trunk
cebebral arterial circle
right common carotid artery
The blood flows through the veins, the heart, and the arteries.