Answer:
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Explanation:
Each molecule has a characteristic size and shape that determines its function in the living cell. The shapes of molecules are determined by the positions of the atoms' orbitals. When an atom forms covalent bonds, the orbitals in its valence shell are rearranged.
Hadean is the first eon of precambrian, and took place around 4.6 and 4.0 billion years ago.
Answer:
1) Hunger, savor, appetite. Three main biological reasons why we eat. Also, the economic ability to pay for the food. And the fisical capability to go and buy food, to cook.
2) Our physiological needs are the main reason why we choose food. People need energy to survive.
Everyone would like to have the possibility to eat what he wants. But food choices depend on the financial situation, social class, and preferences.
That is why poor people or people who have less money to spend on food, often eat food that can feed more people but it doesn’t have nutritional values. When people have money, they immediately have a wider spectrum of groceries that can choose from.
Explanation:
Savour is equal to enjoying. When people are not hungry they are happier. We choose what to eat depending on the look, taste, smell, texture. As sweets smell good, people consider them the most attractive food. Food is not just the source of nutrition, it is also the source of satisfaction.
Vascular plants are the ones that posses vascular tissue, sporophyte, and true roots, leaves, and stems.
Explanation:
The vascular plants are land plants. They form a very large group in the plant family, varying in size, shape, color etc. All of the plants in this group share some characteristics that define them as vascular plants, such as having true vascular tissue, sporophyte, and having true roots, leaves, and stems.
Another characteristic of the vascular plants is that they have lignified tissue which have the purpose of distributing the minerals and water throughout all of the plant. Plants that fall into this group are the flowering plants, conifers, ferns, clubmosses, and horsetails, and they are spread out on almost all of the plant when plant life is possible.
<h3>Hi!</h3>
The correct answer is D. Decrease in soil fertility.
<h3>Explanation:</h3>
A particular crop has a particular need for certain nutrients, and contributes a certain set of nutrients in return to the soil. When the same crop is planted over and over the years, the certain set of nutrients required to sustain are used up, and an accumulation of particular nutrients not essential for that particular plant's growth piles up. This leads to poor growth and development of the plant due to nutrient deficiency - and the quality of a soil to sustain growth and agriculture of a plant is known as fertility, which in this case decreases.
<h3>Hope this helps!</h3>
