General Science Questions

Inhaling of oxygen and releasing of carbon dioxide to make our living is the process called as respiration. We know that, air is a mixture several gases like 78% of nitrogen, 21% of oxygen and several other gases with watervapour.

Hence, Oxygen is essential for respiration process.

Burns are classified into 4 degrees. They are ::

1. First-degree (superficial) burns. First-degree burns affect only the epidermis, or outer layer of skin.

2. Second-degree (partial thickness) burns. Second-degree burns involve the epidermis and part of the dermis layer of skin.

3. Third-degree (full thickness) burns.

4. Fourth-degree burns.

Blisters are a sign of Second-degree burns.

In all the fatal accidents, 30% of them are with speeding factor.

It is due to the deficiency of Vitamin A. Retinol which is present in vitamin A. Its deficiency causes night blindness. It is available in carrots. 

The Indian Navy operates three operational Commands. They are

1. Western Naval Command - Mumbai

2. Eastern Naval Command  - Vishakhapatnam

3. Southern Naval Command - Kochi

The term just noticeable difference is synonymous with difference threshold and refers
to the detection of change.

An enzyme speeds up a reaction by lowering the activation energy which is done by catalysts to increase the rate.