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Anvisha [2.4K]
4 years ago
8

The cells of organisms in the _______ kingdom do not have a nuclei

Biology
1 answer:
grandymaker [24]4 years ago
7 0

Answer:

Protist

Explanation:

Protist are prokaryotic organisms

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How do tectonic plate interactions cause earthquakes?
djyliett [7]

Friction between tectonic plates, which further lock them, leads to earthquakes.

<u>Explanation:</u>

Tectonic plates move slowly, but at times there is friction between them. This friction locks them, and that leads to difficulty in movement. Whereas, other tectonic plates keep on moving, which leads to high pressure at the locked section.  

This lock section tries to resist pressure, and the movement of plates is passed to each other. This rapid movement leads to a tectonic earthquake. The energy released during the change of plates causes the Earth's crust to shake, and that's how we feel shaking.

5 0
4 years ago
Sound quality can be divided
iris [78.8K]
Sound quality can be divided into amplitude, timbre and pitch. If there’s an impedance mismatch between your two devices connected to the single output, you could have a large mismatch between the levels arriving at each device. If the difference is large enough, one device may have distorted or inaudible audio.

To avoid this, you should ensure that both devices connected to the split signal are similar - such as 2 pairs of headphones, 2 recorder inputs, and so on. When you place 2 devices with wildly differing load impedances on a splitter is when you’ll encounter problems - such as headphones on one split and a guitar amp input on the other.

To get around this, you can use either a distribution amplifier (D.A.) or a transformer balanced/isolated splitter - which will work over a larger range of load impedances, typically. Depends on the quality of the splitter and the exact signal path. If you’re using the splitter to hook two things into one input, and you’re using quality connectors, you probably won’t lose much quality. There can be an increase in impedance of the cable due to the imperfect continuity of the physical connection, however with unbalanced line-level signals, impedance at both ends of the chain tends to be orders of magnitude higher than the connection will create, so one split will be barely noticeable. So too, the noise increase from the additional length of cable.

Now, one source into two inputs, that will by basic math and physics result in a 3dB drop in signal strength, which will reduce SNR by about that much. By splitting the signal path between two inputs of equal impedance, half of the wattage is being consumed by one input and half by the other (the equation changes if the inputs have significantly different impedances). So each input gets half the wattage produced by the source to drive the signal on the input cable, and in decibel terms a halving of power is a 3dB reduction. Significant, until you just turn the gain back up. The “noise floor” will be raised by however much noise is inherent in the signal path between the split and the output of the gain stage; for pro audio this is usually infinitesimal, but consumer audio can have some really noisy electronics, both for lower cost and because you’re not expected to be “re-amping” signals several times between the source and output.

8 0
3 years ago
True or False: A given restriction enzyme can cut DNA at any 4bp to 8 bp base sequence, as long as this sequence is palindromic.
NARA [144]

Answer:

False?

Explanation:

7 0
3 years ago
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Why is the nitrogen cycle important?
pishuonlain [190]

Nitrogen is important to life because it is a key part of amino and nucleic acids. Also, it is an important part of ATP, which is the basic energy molecule for living things. Neither plants or animals can obtain nitrogen directly from the atmosphere. Instead, they depend on a process known as nitrogen fixation.

6 0
3 years ago
Which statements describe the six elements found in all living things? Check all that apply.
ziro4ka [17]

Answer:

1.Carbon is the basis of all living things

3.Nitrogen is found in certain foods

4.Oxygen and hydrogen combine with each other to form water

6.Carbon, oxygen, hydrogen, nitrogen, phosphorus and sulfur are found in organic compounds

Explanation:

7 0
3 years ago
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