A quantitative observation must be a measurement of some sort. (Something including numbers). Qualitative, on the other hand, is when you are using words to describe what has happened.
Explanation:
Quantitative observations are performed with devices such as rulers, balances, measured cylinders, beakers, and regulators. These results are measurable,using one or more senses to gather knowledge. information that doesn't involve numbers or measures. the process of making an understanding based on observations and previous knowledge. Quantitative investigations always involve numbers.
Answer:
Amplitude
Explanation:
The amplitude is the vertical distance from the centreline to the crest. The frequency is the number of waves that pass a certain distance in a certain amount of time. The trough is the lowest point of a wave and the wavelength is the distance from one wave to the same point on the other wave.
Answer:
It’s b
Explanation:
I just did it on usatestprep
The answer for your question is B