<span>The </span>function of the valves<span> in the peripheral </span>veins<span> is to ensure that the overall movement of blood in the </span>veins<span> is in the right direction, toward the heart. This is especially important in the </span>legs<span>, where the blood must flow a relatively long distance against gravity. </span>
Chlorine is micronutrients, too much chlorine may lead to toxicity in plants, it can result in to burned appearance in leaves.
<h3>What are micronutrients? </h3>
The nutrients which are less Essential to plants for there growth. For example Boron, chlorine, mangnese, molybdenum, iron, zinc.
Chlorine is also on of micronutrients , it not that much essential and if there is too much chlorine it can lead to brown or dead tissue on the tips ,margins between the veins of leaves.
As she has put chlorine in plants without the particular amount needed the plant ,so the plants lead to toxicity. And the fifth plant do not contain any chlorine it is alive.
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The answer is tropical areas. The tropical areas obtain more
radiant energy from the Sun than they lose to space through terrestrial
radiation, and vice versa for polar areas. Earth has an energy remaining in the
tropics and an energy scarcity for the polar areas.
Answer:
(A.) Earth's orbit is elliptical
Explanation:
Like all planets in our solar system, the Earth is in an elliptical orbit around our Sun. In Earth's case, its orbit is nearly circular, so that the difference between Earth's farthest point from the Sun and its closest point is very small. Earth's orbit defines a two-dimensional plane which we call the ecliptic.
<span>Eukaryotic cells contains a nucleus and other organelles that are the bound by membranes, also referred to as membrane bound organelles multicellular organisms have a nucleus, have a membrane bound organelles, unicellular organisms and contains organelles. The Eukaryotic cells produces ribosomes inside of its nucleus.</span>