The answer is in the image attached.
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The right and left ventricles are responsible for pumping blood while the right and left atria are responsible for receiving blood. These are the four main chambers of the heart that are responsible for transporting oxygenated blood within the body.
Answer:
In plants that undergo double fertilization, the structure that forms to nourish the seed is called the <u><em>endosperm</em></u>.
Explanation:
The process of double fertilization can be described as a phenomenon in which one of the sperm cells fertilizes the egg cell whereas another sperm cell joins with the two polar nuclei of the ovule
The sperm cell and the egg cell will unite and form the zygote.
<u><em>On the other hand, the sperm which fuses with the two polar nuclei will form the endosperm.</em></u>
<u><em>The endosperm can be described as a nourishing tissue which provides the embryo with nutrients so that it can develop and mature. </em></u>
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I'm not a hundred percent sure but try asking Google
<span>Flowering plants (angiosperms) have a more reliable method of pollination than gymnosperms. Flowering plants use animals and insects while gymnosperms rely on wind for pollination. </span>