Most likely an altimeter,
microscopes can be too heavy to carry outside,
x-ray diffraction is used to determine the molecular structure of a crystal so that is not likely to be helpful,
but an altimeter determines the altitude of an object on a fixed level, so that can be useful during a field investigation
hydrometers-measure gravity of liquids, probably not useful for a field investigation
1. Filament
2. Anther
3. Petal
4. Stigma
5. Style
6. Ovary
7. Sepals
8. Stem
I believe the thyroid controls most, if not all of those things. (Again, I'm not entirely sure.)
Answer:
I'm pretty sure it's B, pressure.
Explanation:
I hope this helped :)
Answer:
process of using carbohydrates and oxygen for energy