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timurjin [86]
2 years ago
12

How would the world be different if ice were more dense than water?

Biology
1 answer:
Arada [10]2 years ago
8 0

Answer:

What the actual truck

Explanation:

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Natural systems (respiring animals, decomposition, fires, the ocean) contribute approximately 700 giga-tons of Carbon (GtC) to t
mina [271]

Answer:

Around 25-30 gigatons.

Explanation:

Although natural processes do produce much more carbon dioxide than humans, its a delicate balance and all of that carbon dioxide is absorbed back. However, when humans arrived, they disrupted that balance, and even with the relatively small amount it is creating big problems.

7 0
3 years ago
3. How much a machine changes its input force is its __
diamong [38]

Mechanical advantage is the answer.

Option B.

<h3><u>Explanation:</u></h3>

A machine is defined as the instrument which is used to perform some task easily, and with ease. A machine has the capability to give an output force in exchange of an input force. Now the ratio of the output force to input force is called as the mechanical advantage.

Mechanical advantage = Output force / input force.

For example, in case of a lever, there are three types - first class lever, second class lever, and third class lever. Mechanical advantage for a second class lever is always more than one, as we get more output force than input force. Similarly, the mechanical advantage for a third class lever is always less than 1, and mechanical advantage of first class lever can be both more or less or equal to one.

7 0
3 years ago
The rough endoplasmic reticulum has a rough appearance because:
Nookie1986 [14]
It has a rough appearance because the surface is covered with ribosomes that produce protein. ..... I hope this helps :)


4 0
3 years ago
List several processes in cell metabolism where diffusion is important
fiasKO [112]
<span>One process wherein diffusion is important is the concentration of salt within a cell. When the salt levels are too high within the cell, salt molecules are moving via diffusion to a region of lower concentration. Another process is the movement of carbon dioxide in plant cells, where CO2 moves from regions of high concentration to regions of low concentration.</span>
8 0
3 years ago
The use of electronic instruments or other techniques to monitor and change subconscious activities, many of which are regulated
Wewaii [24]

The use of electronic instruments or other techniques to monitor and change subconscious activities, many of which are regulated by the autonomic nervous system, is called biofeedback.

<h3>What is biofeedback?</h3>

A mind-body approach known as biofeedback employs a variety of monitoring tools to give the body's physical functions, which are typically controlled by the body's automatic systems, conscious control. There are several kinds of biofeedback instruments that can be used to track the development of the activity and show the efficacy of the therapy as it is being administered.

The equipment that measures the following uses biofeedback the most frequently:

  • brain activity
  • respiration rate
  • blood pressure
  • heartbeat frequency and heartbeat variability
  • tension in muscles
  • electrification of the skin
  • skin temperature

Devices used to measure body change are:

  1. Electromyogram (EMG): To measure muscular tension, use this.
  2. Electrodermal activity (EDA): This measures variations in perspiration rate.
  3. Measures of finger pulses: These evaluate heart rate and blood pressure.
  4. Electroencephalogram (EEG): This is used to assess brain electrical activity.

Learn more about biofeedback here:

brainly.com/question/2837002

#SPJ4

7 0
2 years ago
Read 2 more answers
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