chapter 3&4

why cannot use phone on place when take off and landing

• the signals given off will cause electronic interference with aircraft equipments

• it causes noise pollution

• food will becoming contaminated with the electronic signals

• batteries will be drained fast during that time

in order to prevent eye strain,

• position your eyes close to the monitor

• position your eyes far away from the monitor

• position your eyes slightly to the left of the monitor

• position your eyes not too close or not too far form the monitor

places where you kenot use phone

(memorise ah)

• gas station

• airplane when taking off or landing

• at home

• hospital (icu)

which precaution match to the problems of using computer

(memorise)

• eye strain- use anti-glare screen

• wrist injury - use your feet to use computer

• backaches- sit on a proper computer chair and table for a right posture

• eyestrain- make sure u have enough money for eye surgery before u play all day

which of the following computer parts can be recycled?

• The glass used for the monitor screen

• the plastic casings

• The cables and connectors

• all the above

recycling is necessary as it helps to

• Conserve the natural resources

• limit waste materials

• Reduce unnecessary dumping of waste

• all the above

computers are not_ free devices.they can give rise to _ problems

improper _ and a bad chair can cause _

computer use a lot of natural __ and these will be _ when computers are thrown away

WHATS MY NAME, WHATS MY NAME??? say it louderr

Answer explanation

since when it got 4 words brah