Question

State whether true or false- 1) Phase of moon is an example of periodic change 2) Sun is the source of all energies on earth. 3) Topsoil is topmost layer of soil. 4) Movement of rib cage and diaphragm makez the process

Answer 1

1 true
2 false
3 true
4 respiration

Answer 2

1.true
2.false
3.true
4.respiration