b. industry
c. agriculture
d. none of the above
Forestry does not contribute to water pollution. Therefore, option A is correct.
Water contamination is the tainting of bodies of water, typically as a result of human activity, which has a detrimental impact on their uses. Aquifers, reservoirs, lakes, rivers, seas, and groundwater are all examples of bodies of water. When contaminants are introduced into these water bodies, water contamination results.
The main causes of water pollution are bacteria, viruses, parasites, insecticides, pharmaceuticals, plastics, feces, radioactive materials, fertilizers, and pesticides. These compounds are frequently invisible contaminants since they do not always alter the color of the water.
Industry and agriculture cause water pollution, while forestry does not. Hence, option A is correct.
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Answer: d none of the above
Explanation:
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Sandstone, shale, conglomerate, and breccia are examples of clastic sedimentary rocks. They form when rock fragments, or clasts, are eroded, transported, and deposited in layers. Over time, they become compacted and cemented together to form sedimentary rocks.
Four examples of clastic sedimentary rocks include sandstone, shale, conglomerate, and breccia. These rocks form through a process called lithification. Initially, weathering breaks down pre-existing rocks into small fragments or particles. These particles, known as clasts, are then transported by natural forces like wind, water, or ice in a process known as erosion. Over time, these clasts build up in layers and eventually get compacted and cemented together to form sedimentary rocks.
Sandstone, for example, forms from sand-sized clasts, often in desert dunes or riverbeds. Shale is made of clay or mud-sized particles and often forms in calm water environments like lakes or deep sea beds. Conglomerates consist of large, rounded clasts and often form in fast-moving rivers. Breccia, on the other hand, is formed from large, angular clasts and usually forms near mountainous regions where there is a high rate of mechanical weathering.
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The water molecule has the ability to form hydrogen bonds, between atoms of oxygen and hydrogen of different molecules (they can also be formed between atoms of hydrogen, phosphorus, and nitrogen, but in the case of water we refer only to hydrogen and oxygen). When this phenomenon occurs between molecules of the same species (one molecule of H2O with another molecule of H2O), it is called cohesion, which is the attraction that molecules have for others of the same type. In the case of water, cohesion occurs thanks to hydrogen bonds, and this union is very strong and difficult to break.
The component that is LEAST likely to be important in holding the components of a biological membrane together is C: "covalent interactions between the phospholipid and protein components of the membrane".
The biological membrane is made up of a lipid bilayer, with the hydrophobic tails of the phospholipids facing inward and the hydrophilic heads facing outward. The main forces that hold the membrane together are hydrophobic interactions between the phospholipid tails and the surface of integral membrane proteins buried in the membrane, polar interactions among the phospholipid head groups on the same surface of the membrane, and hydrophobic interactions among the fatty acid tails of phospholipids on opposite sides of the membrane.
Covalent interactions between the phospholipid and protein components of the membrane are not typically important in holding the membrane together. These interactions are much stronger than the other types of interactions and are not typically found in biological membranes. Instead, the membrane components are held together by weaker, non-covalent interactions that allow for the fluidity and flexibility that is necessary for the membrane to function properly.
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B. Neogene
C. Cambrian
D. Cretaceous
The largest gland in the body is the liver. The liver is a vital organ located in the upper right abdomen, beneath the diaphragm.
It performs numerous essential functions necessary for maintaining overall health. The liver plays a central role in metabolism, as it is involved in processing nutrients from the food we eat, regulating glucose levels, and storing vitamins and minerals.
Additionally, the liver is responsible for detoxifying harmful substances, producing bile, which aids in digestion, and synthesizing proteins crucial for blood clotting and other physiological processes. Its size can vary depending on factors such as age, body weight, and overall health. The liver's large size and its multifunctional significance make it a crucial organ for maintaining the body's proper functioning.
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