More cards in this set

what could happen if you don't wear sun cream in the sun?

why is the hole in the ozone layer a problem?

how can you stop the hole in the ozone layer increasing in size?

descibe how p-waves and s-waves are different?

draw an analogue signal

draw a digital signal

give an example of wireless technology

give one advantage of wireless communication

give one disadvantage of wireless communication

what is an earthquake?