Questions

A person who writes decoratively is known as Calligrapher.

Be frank. Some established designers use no or little computer software in their work. Others rely heavily on technology (CAD). Simply explain how you work. If you are an efficient designer, your use of computer software will not be relevant.

Except 142 all are divisible by number '7'.

The main constituent of biogas is methane (55-70%), CO2 (30-45%) and some traces of gases such as H2S and ammonia.

Biogas is produced under anaerobic conditions; the process is denominated as anaerobic digestion.

Wireless transmission can be done via any of the Infrared waves, Radio waves or Microwaves.