
Science Homework #20: Year 11
Science Homework #20: Year 11Homework Topic:Question 1What do automatic control systems use to detect changes in the environment?B2Question 2Radiation can do three things when it meets a material… What are they?P2Question 3Give one piece of evidence other than the jigsaw fit of continents to prove Wegener’s theory.P1Question 4Which part of the atmosphere protects us from ultra Read More …