Supposing you were to carry out a field study on rocks at the Kenyan coast State two reasons as to why you would ask for permission from the school administration. (2mks)

Using complete sentences, describe the central economic problem facing all humans. why does this require people to make choices? how can this result in opportunity costs?

Which age groups shows the graestest diferrence between males and females

A2 cm object is 10 cm from a convex lens that has a focal length of 4.4 cm, the image is 8cm from the lensz the height of the image, to the tenths place is