B. Nitrogen oxygen, Oxygen, and argon
Its more natural and doesn't have side effects
Answer:
The correct answer is - qualitative measurements.
Explanation:
When the information about characteristics is tough to describe of define by measuring or represent numerically, qualitative measurements are used to describe it.
These measurements are carried out by information collected through all senses such as vision, hearing, touch, smell, and taste. For example softness of the skin, the color of hair.
Thus, the correct answer is - qualitative measurements.
Asexual means by self sexual means from opposite genders
Environmental scientists are using GPS ( It is effective but expensive) aerial monitoring (Quick but not the easiest), RFID tags, (mostly for long-term monitoring) and hidden cameras are used to study polar bear behavior without interruption to their environment.
