B is the answer for your question the answer is b an elevator slowing down
Radio Station W as the slower the frequency the longer the wave length
Ans: The thin strands are called as yarns which are made from fibre. Spinning is the process of making yarn. The process where the cotton wool are drawn out and being twisted. This process brings all the fibre together to form a yarn.
Mass- Mass is measured in kilograms (kg).
Weight- Weight is measured in Newton’s.
Answer:
Helium
Explanation:
Helium is the least reactive element, since it is a noble gas with the smallest amount of valence rings.
