True!
For example:
The atomic mass of carbon is 12.011 (i think) and the weight of carbon is 12. But with C13 and C14 being a little higher, it makes the average higher. Random fact: C14 is used for carbon dating.
Sound waves need to travel through a medium such as solids, liquids and gases. The sound waves move through each of these mediums by vibrating the molecules in the matter. ... This enables sound to travel much faster through a solid than a gas. Sound travels about four times faster and farther in water than it does in air.
Sounds can travel at approximately 6000 metres per second in some solids and at a quarter of this speed in water. This is because the molecules of solids are more tightly packed together than in liquids and those in liquids are more tightly packed than in gases.
Hello! Greetings from Turkey! :)
<em>* Cell membrane</em>
<em>* Cytoplasm</em>
<em>* DNA and RNA</em>
<em>* Ribosome</em>
GOOD LUCK!!
The believe the answer is A
Answer:
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Explanation:is this what you meant?
