Answer:
Qualitative
Explanation:
There's two kinds of observation in the scientific method: quantitative and qualitative.
Quantitative is like physical measurement, actual numbers and such. Such as height, weight, etc.
Qualitative is like color, descriptions, shape etc.
Therefore, I think answer should be Qualitative.
Answer:
The effiency decreases at higher altitudes
Explanation:
The higher up a person is on a mountain, the thinner the air is due to the lack of plants that can grow. An example of this is Mount Everest. At a certian point on the mountain, called the "Death Zone", the air is too thin to supply enough oxygen to the human body to survive. That's why they bring oxygen tanks with them on their adventures.
Answer:
Water molecules tend to stick together due to the structure and charge of the atoms present in the water. Hydrogen atoms are positively charged while oxygen atoms are negatively charged. ... All water molecules are exerting cohesive forces on all the molecules around them including those on the surface of a body of water