Answer:
c) They come from polyunsaturated fats.
a) You must get them from food sources.
Explanation:
Polyunsaturated fatty acids are essential fatty acids. Omega-3 and omega-6 are the two types of important fatty acids. Saturated fatty acids, like all other fats, play a crucial function in the body. The most important fats, on the other hand, are those that the body cannot produce and must therefore be obtained from diet. These EFAs are made up of linoleic acid (omega-6 group) and alpha-linolenic acid (omega-3 group) (omega-3 group). Both categories of essential fatty acids are required for survival. EFA insufficiency is frequent in the general population for a variety of causes, as is a disproportionate intake of omega-6 fatty acids compared to omega-3 fatty acids. As a result, eating the correct meals is critical to ensuring that you get enough and the right kinds of vital fatty acids. But there's a lot more to the story. Increased consumption of certain important fatty acids, alone or in combination with other fats and chemicals, has been proven in studies to enhance health, aid in the treatment of certain disorders, and even improve body composition, mental and physical performance. Most of the lipids required by the human body may be synthesized from other fats or basic materials. Omega-3 fatty acids are an exception (also called omega-3 fats and n-3 fats). These are necessary fats, which the body cannot produce on its own and must obtain from diet.
Answer:
Average atomic mass of uranium= 237.98 amu.
Explanation:
Given data:
Abundance of U²³⁴ = 0.01%
Abundance of U²³⁵ = 0.17%
Abundance of U²³⁸ = 99.28%
Average atomic mass = ?
Solution:
Average atomic mass of uranium = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass) +(abundance of 3rd isotope × its atomic mass) / 100
Average atomic mass of uranium= (234×0.01)+(235×0.71)+(238×99.28)/100
Average atomic mass of uranium= 2.34 + 166.85 + 23628.64 / 100
Average atomic mass of uranium= 23797.83 / 100
Average atomic mass of uranium= 237.98 amu.
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