Shelly was surprised to learn the dwarf planet pluto used to be considered a planet. what would have had to be true for
pluto to remain categorized as a planet?

The answer is b on edugenity

Explanation:

Hope this helps

if you are on the computer you can not take a picture but you can upload one but i am not sure about phones but i'm pretty sure it's the but to upload one just click the paper clip looking thing/ link thingy thing and upload a pic

hygrometers and hair thermometers (often found as part of hygrometers/psychrometers) can be used to measure humidity. barometers are used to measure atmospheric pressure, while anemometers are used to measure wind speed. so the 2nd and 4th choices should be the correct answers.