Modern technology … our lives strongly.
1. effects
2. effective
3. affects
4. effect
Samuel Morse connected a pencil to an … .
1. tire
2. electric wave
3. electric tire
4. electric wire
Automation is introduced both in …and…industries.
1. heavy, light
2. strong, easy
3. heavy, easy
4. difficult, simple
Adam Smith is a famous… .
1. economics
2. economical
3. economist
4. economy
Those people are studying the science of … .
1. economics
2. economy
3. economic
4. economist