Question

rewrite the sentence:-

1.Element is made up of only different kind of atoms.

2.Clayey soil is made up of large particles with large air spaces.

3. Speed = Total time taken/total distance covered.​

Answer 1

Answer:

1) An element is a substance entirely made from one type of atom. The hydrogen element, for example, is made from atoms containing only one proton and one electron.

3) Average Speed =Total Distance Travelled/Total Time Taken = 300/6 = 50 km/hr. Illustration 5: A train covered first 120 km at a speed of 20 km an hour and then covered the remaining 180 km at a speed of 45 km an hour.