Sound cannot travel through a vacuum. A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibrations to work in.
Answer:
question five is true and the second one is the second also
Explanation:
1. Organ
2. Nucleus
3. Diffusion
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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D. meiosis
Because the dna is replicated only one time, then are divided into 4 seperate cells