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.
Answer: B. Red blood cells released by immune cells cause increased blood flow to the infection site; this increased blood flow brings other red blood cells to the area more quickly.
Answer:
True
Explanation:
Sewage contains many substances in it like suspended solids, organic and inorganic impurities, nutrients, saprotrophic and disease causing bacteria and other microbes. Hence it is said to be a complex mixture.
Energy<span> is made from the </span>ATP molecule<span> to </span>do<span> work in the </span>cell<span> by a reaction that removes one of the phosphate-oxygen groups, leaving adenosine diphosphate (ADP). When the </span>ATP<span> converts to ADP, the </span>ATP<span> is said to be spent.</span>
