An agronomist, or crop scientist, studies plants and how they can be grown, modified, and used to benefit society. They use science to carry out experiments that create new techniques for agriculture production.
The answer is the first option.
Answer:
1. Galileo.
2. Newton.
3. Kepler.
4. Brahe.
5. Refracting telescope.
6. Reflecting telescope.
7. Astrolabe
8. Camera.
9. Radio telescope.
Explanation:
1. Galileo: he discovered details of a lunar surface.
2. Newton: he invented first reflecting telescope.
3. Kepler: he found planets had elliptical orbits.
4. Brahe: he performed a systematic mapping of sky.
5. Refracting telescope: uses a large glass lens.
6. Reflecting telescope: uses a mirror to focus light.
7. Astrolabe: tool used to determine location of a star.
8. Camera: instrument that accumulates light from an object to show more detail.
9. Radio telescope: records sounds of stars.
I think your answer would be biomass. If the earth uses too much of it, it will take too long to replenish. Hope this helped could I possibly get brainliest?