Questions

Sound waves cannot be transmitted through vacuum. 

The three main functions of Kidneys are ::

* Regulating and filtering minerals from blood.

* Maintaining overall fluid balance.

* Filtering waste materials from food, medications, and toxic substances.

CTRL + ] is a computer shortcut and is used for Increase in font size.

Shortcuts :

Re-do ---- Ctrl + Y

Right align text ---- Ctrl + R

Expand or collapse the ribbon ---- Ctrl + F1

The memory which can be retained even the power is off is called as Permanent memory or Persistent memory. Computer's hard drive is an example of permanent memory and computer's cache or RAM are examples of temporary memory.

Protein synthesis take place in the cytoplasm where ribosomes are located as they are the machinery which are responsible for the protein synthesis.

In Britain few of the Canals built during the early days of the Industrial Revolution are now playing an important role in the economy  of the country. Example, Grand Union Canal.