Like you might have studied. Heated hair expands while colder air contracts. So, the sound isn't able to move as efficiently in cold air than it would in warmer air.
Answer: Gravity is by far the weakest force we know.
Gravity and weight are not the same thing.
Gravity makes waves that move at light speed.
Explanation: I hope this helps!!
Answer:
c or d
Explanation:
it is most likely c because people who are fit have stronger/healthier genes that have less mutations.
I think the correct answer from the choices listed above is the third option. The nutrient that can be found in all organic compounds should be carbon. This element is surely found in all organic compounds. It is like the backbone of every organic compound present.