Question

Questions 25

Over the years, the way we light our homes and commercial spaces has changed. Mankind has moved

from burning wood/candles to Incandescent bulbs to Compact Fluorescent (CFL) bulbs to LED (light

emitting diodes).

What are the advantages of new forms of lighting?

Is this an advantage? Yes/ No

LED are more energy efficient

LEDs are brighter than CFLs (if they have similar wattage)

CFL are less polluting than LEDs

LEDs have a longer life span

Question 26​

Answer 1

Answer:

1. yes

2. yes

3. no

4. yes

5. yes

Answer 2

1. yes

2. yes

3. no

4. yes

5. yes