Answer:
B
Explanation:
Quantitative data refers to numbers while qualitative data refers to characteristics.
Ice cream will have a physical change because you can re freeze it and it will still be ice cream
In 2021 the James Webb Telescope will begin operation focusing on infrared wavelengths and must be kept extremely cold.
<h3>What is James Webb Telescope?</h3>
The James Webb Telescope is the most important optical telescope present in space, which is employed by astronomers to observe celestial bodies and physical phenomena in the universe.
This space telescope (James Webb Telescope) is based on the infrared wavelengths that cover a specific length of 0.57 to 28-micrometer waves and enable to observe different spectra across the Universe.
In conclusion, in 2021 the James Webb Telescope will begin operation focusing on infrared wavelengths and must be kept extremely cold.
Learn more about the James Webb Telescope here:
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the answer is A.) because the scientific method is used to answer problems.
This is the steps,
STEP 1: ask a question
STEP 2: state your hypothesis
STEP 3: conduct an experiment
STEP 4: analyze your results
STEP 5: make a conclusion