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Vesna [10]
4 years ago
11

PLEASE HELP

Biology
2 answers:
Alex_Xolod [135]4 years ago
6 0
Graduated cylinder for 25 ml of water and a scale tfor 2.5g of Magnesium.
 
Take empty graduated cylinder and place on level surface.
Take distilled water and fill slowly up the 25ml mark on cylinder.

Set scale on level surface and make sure it reads zero before.
Cut small piece off magnesium strip and place it on the scale.
Add more pieces until scale reads 2.5 grams.

 Read more on Brainly - brainly.com/sf/question/1701071
finlep [7]4 years ago
3 0
Hey There!

I would use a beaker!

Beakers have marks on the side that help measure the amount of the liquid that goes in the beaker!

If you need anymore help feel free to ask me!

Hope this helps!
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PLEASE HELP ME IF YOU CAN!
ivann1987 [24]

Answer:

To give the people a sense of safety knowing that they are completely safe in an Earthquake.

To survive another fault shift.

To reinforce and renovate the stadium.

To preserve the stadium in an Earthquake.

5 0
3 years ago
** ALL MY POINTS**
Flura [38]

PART 1


1. The answer is low frequency electromagnetic waves are able to go around obstacles due to their larger wavelengths. This characteristic of lower frequency waves is due to their ability to diffract around obstacles such as buildings and hills. Therefore, they transmit over long distances unlike high frequency electromagnetic waves.

2. One disadvantage is interference. Electromagnetic waves of the same frequency transmitted at the same time will interfere with one other and therefore the signal will be lost or scrambled. Other electromagnetic waves such as microwaves are affected (interfered with) by weather elements.

3. Analogue signals are continuous signals with wave-like properties while digital signals are discrete signals or pulse (ons (1s) and offs (0s) that represent bits). Analogue signal is represented by a sine-wave while digital signal is represented by discrete squares waves.

4. Digital signals are less immune to eavesdropping unlike analogue signals. Analogue signal is also more prone to distortion unlike digital signal. Digital signals transmit more data than analogue signals. Digital signal draw less energy to transmit compared to analogue signal.

5. Broadcasting of TV is nowadays using digital signals due to the high number of available channels. Computers and the interne utilize digital signaling to transmit data. Controls systems such as radar system also use aspects of analogue waves. Sensors also utilize analogue waves especially transducers such as seismology equipment.


PART 2


1. One way is by sending radio waves to probes sent out in space to give them commands during exploration. Radio telescopes also pick up naturally-occurring radio waves from space and analyze the data to make conclusions about space and the astronomical objects.

2. Radio waves are used in communication by transmitting data over long distances. One example is its use TV transmission. Another is through military defense of airspace. The radio waves are used to detect enemy intrusion into restricted airspaces using radar.

3. It is common that signal from the environment will be in analogue signal format. The conversion to digital signals allows for the digital equipment in the telescope to interpret and analyze the data. Telescopes prefer digital equipment because they consume less power, handle more data, and are less prone to intrusion, and distortion, hence more secure to analogue equipment.



3 0
4 years ago
Read 2 more answers
What name is given to organisms that look alike, share a large number
larisa [96]
It's the definition of a SPECIES.
Those animals are from the same species.
3 0
3 years ago
Which correctly lists the three gases that are part of Earth’s cycles in both the atmosphere and biosphere? radon, carbon monoxi
serg [7]

The three gases that are part of Earth’s cycles in both the atmosphere and biosphere are:

  • oxygen
  • - nitrogen
  • - carbon dioxide

<h3>Explain your answer?</h3>

The oxygen,  nitrogen, and carbon dioxide are the three gasses that are constantly moving through the atmosphere and biosphere in their own respective cycles.

The oxygen is used by the animals for breathing, but it is also released as a byproduct by the producers. The nitrogen is used as a food source for the producers, as well as the carbon dioxide which is crucial for the process of photosynthesis.

Thus, Part of them is released through decomposition, part by releasing them in the atmosphere or in the soil.

To learn more about gases click here:

brainly.com/question/1369730

#SPJ1

8 0
2 years ago
3 Explain why the average height of students is increasing in many parts of the world.​
denpristay [2]
<h2> The average height of people in different nations has  has increased approximately by 10 centimeters.</h2><h3>It mostly comes down to nutrition and child-rearing styles. </h3><h3>Some scientists believe that the increase in teenage and out-of-wedlock pregnancies in the developed world may be an unanticipated consequence of improved nutrition.</h3>

Tobacco smoking greatly increased over the last hundred or so years, but the old wives' dictum was always that "Smoking will stunt your growth!"

Hope this helped have a good day = )  .

6 0
3 years ago
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