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vichka [17]
3 years ago
12

How are hydrogen bonds different from covalent bonds ? covalent bonds are organic; hydrogen bonds are inorganic the compounds th

at result from hydrogen bonds contain carbon; those that result from covalent bonds do not hydrogen bonds are weaker than covalent bonds and form between partially charged atoms or molecules the atoms in hydrogen bonds have valence electrons ; the atoms in covalent bonds have valence spaces
Biology
1 answer:
GuDViN [60]3 years ago
7 0
In a discrete water molecule, there are two hydrogen atoms and one oxygen atom<span>. Two </span>molecules<span> of water can form a hydrogen bond between them; the simplest case, when only two </span>molecules<span> are present, is called the water dimer and is often used as a model system</span>
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Use of moist heat can control microbial growth in many circumstances, but heat-sensitive items and those susceptible to moisture
sattari [20]
<h2>Answer is option "b"</h2>

Explanation:

  • Non-ionizing radiation is radiation that has a lower frequency, or longer wavelength, in the EMR spectrum. These frequencies range from that of power lines, radios, and cell phones, up to visible light. Non-ionizing radiation is not powerful enough to break the chemical bonds in molecules. In general, it is not harmful to human health as radiation per se, but could be harmful in terms of the transfer of heat energy. An example of an emitter of non-ionizing radiation is a microwave oven.
  • Non-ionizing radiation is less harmful because the rays carry much less energy. Radio waves, light, and even heat are examples of non-ionizing radiation. For the most part, these kinds of radiation do not cause any damage. However, ultraviolet light is a kind of non-ionizing radiation that can be harmful - it can cause mutations in DNA
  • Non-ionizing radiation is limited to the lower energy range electromagnetic radiation, which is more commonly known as light. However, the light we can see with our eyes, visible light, is only a small section of the electromagnetic radiation spectrum as seen here
  • Hence the right answer is option "b"

7 0
3 years ago
Directions: Write the word TRUE if the statement is correct and if not, underline the word or statement incorrect and correct an
Maru [420]

Answer:It can come from unstable atoms that undergo radioactive decay, or it ... Ionizing radiation can affect the atoms in living things, so it poses a health risk by ... Ionizing radiation comes from x-ray machines, cosmic particles from ... However, as with alpha-emitters, beta-emitters are most hazardous

Explanation:

5 0
3 years ago
Scientific investigations begin by asking questions that can be tested, measured, or both. Which question meets this criterion?
liberstina [14]
The answer choices are not provided, so I cannot select the correct one. However, I may provide you examples and guidance on how to choose the correct one.
As mentioned in the explanation, a scientific question must have a variable that is changed, the independent variable, and a variable on which the effect of the change is measured. This is the dependent variable. Examples of such questions include:

How will the amount of water given to a plant affect its rate of growth?
What will be the amount of sugar that can be dissolved in water at a given temperature?
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All of these questions may be tested using experiments.
4 0
3 years ago
Read 2 more answers
What two evidences supports the continents were once<br> together?
Bezzdna [24]

Fossil Fuels and Continental drift support the idea that once continents were together.

Explanation:

  • Fossil fuels like plants, animals and rocks are of the identical features were found in the two different continents. For example, identical rocks found in the two sides of the Atlantic ocean, even the mountains in two different continents formed of the identical rocks.
  • The next one is fossils of the seed fern Glossopteris is found across all the southern continents. Hence, there is continental drift happened which caused the separation of continents.

5 0
3 years ago
This layer of the leaf is found just below the ""skin""
natulia [17]
Stomata is the lay of the leaf found below the skin
6 0
2 years ago
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