At the hypertheramus through the respective nerves
I would say the first one
Answer:
Plants and animals use oxygen to respire and return it to the air and water as carbon dioxide (CO2). CO2 is then taken up by algae and terrestrial green plants and converted into carbohydrates during the process of photosynthesis, oxygen being a by-product.
Explanation:
Answer: The answer is D: to allow maximum exposure to light and to reduce shading of lower leaves.
Explanation:
The arrangement of leaves on a Stem is known as Phyllotaxy. It is used to enable them obtain maximum exposure to sunlight.
Leaves are classified as either alternate, spiral or opposite.
Leaves with alternate pattern arise at a different point (node) on the stem. This helps reduce shading of the lower leaves.