The answers are volume, surface area, and surroundings
Answer:

Explanation:
The distance to the Sun is 5,890,000,000,000. We need to write this distance in km.
A number can be written as
in scientific notation where x is a real no and y is any integer.
There are 10 zeros in the given number and also there are 12 digits after. It would mean that,

So, the distance in scientific notation is : 
Answer:
Formaldehyde or gluteraldehyde.
Explanation:
- Some equipment can't be sterilized by physical methods like autoclave because of their safety and sensitivity.
- Gluteraldehyde and formaldyhyde are used as sterilizing agents and provide long immersion time. These are used to sterilize surgical instruments.
- Gluteraldehyde have a short shelf life and expensive while formaldehyde have long shelf life and comparatively inexpensive.
- Both of these are toxic by inhalation or touch.
More than one to chose from (Elements)