Name the process by which oxygen enters into blood. 2. Give any one way in which crushed maize cobs are...

1. Name the process by which oxygen enters into blood.
2. Give any one way in which crushed maize cobs are helpful to a poultry farmer.
3. State one way through which regular bathing helps to prevent ringworm infection in humans.
4. Identify the type of soil that has rough and large particles.
5. Name the group of simple machines to which the device labelled M belongs.
6. Basing on the diagram, give one way in which the device labelled N is useful to the carpenter.