The speed of a sound wave depends upon the medium through which it travels. In general, sound travels faster through solids than through liquids or gases. Also, the denser the medium, the slower sound will travel through it. The same sound will travel at a different speed on a cold day than it would on a warm day.
Scientists use radio technology in order to track endangered species. These include radio collars, tags and chips. These devices can then be tracked wither via satellites through GPS technology or by locating the radio waves emitted by these devices using receivers.
These devices have proven very helpful in tracking organisms and monitoring their populations.
C. cell membrane the cell membrane lets the good stuff in and keeps the bad stuff out.
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ANSWER:</h2>
1) Back word 2) 2197 kg
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EXPLANATION:</h2>
recoil (regularly called knock back, kickback or basically kick) is the retrogressive development of a firearm when it is released. so when the cannon is fired the bullet will move forward and the cannon will move backward
The power of gravity on the moon is 1.6m/s2. Along these lines, the mass of a protest that weight is 21,532, the mass of that question on the moon will be 2197 kg.
