Psle 2012 Science Questions And Answers __top__ 🔖

(a) What is the change in state called? (b) State one way to speed up this process.

(a) How does the thick stem help the cactus survive? (b) Why are there spines instead of broad leaves? psle 2012 science questions and answers

(a) Is this complete or incomplete metamorphosis? (b) Name one difference between the larva and adult stages. (a) What is the change in state called

The life cycle of a mosquito: Egg → Larva → Pupa → Adult. psle 2012 science questions and answers

A student looks at a pencil in a glass of water. The pencil appears broken at the water surface.