Fixed aquatic plants are the correct answer to this question. Aquatic is a word that means being related to water. These plants have the name aquatic because they are able to live in water. Fixed aquatic plants have stems that are flexible, long, light, and hollow. The stems are what help the plants of the left float above the surface of the water.
Most of these plants have ...
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The correct answer to this question is fruit. The fruit of the plant is the sweet part and the part of the plant that is edible. This part of the plant is after fertilization. After this process, the fruit takes the seed. The fruit protects it and carries it until the seed ripens.
Though most fruits are sweet, there are some fruits that can give off a taste that is sour. An example of ...
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It would be hard for Earth to be destroyed completely. However, with the Earth growing hotter and hotter, there is a possibility that Earth could be destroyed altogether. If this were to occur, it would force the humans that are on Earth to leave. The thought of this happening has many people concerned and wondering where they would go if Earth would be destroyed.
The good news is ...
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The correct answer to this question is fluorine. Halogens are elements and they are apart of group 17 that is on the periodic table. Along with fluorine, there are many other halogens which include astatine, iodine, chlorine, and bromine. Out of all them, fluorine is the one that is the most reactive. It is the lightest because the atom's have a small size.
Fluorine also has many ...
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The correct answer to this question is seismologist. These experts in earthquakes are trained in Earth science. As a seismologist, a person studies the seismic waves of the interior of the Earth and they study the vibration of the Earth. Other things that a seismologist studies are the genesis of vibration, as well as the patterns of the vibration. They study how these vibrations occur in ...
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The correct answer to this question is No. Though he was not murdered by the Catholic Church, he was tried by them. Before this occurred, Galileo Galilei was known for his work in many fields, including math, astronomy, philosophy, and physics. With his work, Galileo Galilei made many contributions to the field of science through his inventions and his discoveries. However, his scientific ...
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The correct answer to this question is Mould. Most people may be more familiar with this word by how it is commonly spelled, which is mold. Those in the United States normally spell it mold, while those in regions like the United Kingdom, Canada, and New Zealand use the spelling mould.
These moulds are large, and they are many species of them. They will appear to be discolored, and ...
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To help answer this question, we should look to the Aufbau principle. This principle states that electrons fill the orbitals depending on the order of how their energy levels increase. Ultimately, orbitals that have lower energy are filled first. Then, the higher orbitals are filled after that. Many would think that 3d orbitals have lower energy than the 4s orbitals, but that is not the case. ...
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There are five levels of organization and the correct order of them can be found below: 1. Cell; This is the basic unit for all things that are living. A living beings are made of cells 2. Tissue: This is a group of cells. The cells in the tissue all work together to carry out different jobs. In a living being, there are many different kinds of tissues. 3. Organ: This is a group of tissue. ...
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Ion and other metals like it have variable valency because they are transition metals. All metals that are transition metals will have variable valency. It occurs when the d-orbitals lose valence electrons, and then they form bonds with different types of elements. Another reason why these metals have variable valency is that they have different electronic numbers.
For example, ions ...
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