A because the rest doesn’t make sense if you say it with the whole sentence
Farm work is very difficult, for the endless hours spent making sure the crops are completely waters plowed and shipping them it can be a very difficult process.
Ana es abuela
Silvia es esposa
Cesar es sobrino
Marcos es padre
Claudio, Marta, Rebeca son hermanos
Answer:
Symbol: Pb
Atomic mass: 207.2 u
Atomic number: 82
Melting point: 621.5°F (327.5°C)
Electron configuration: [Xe] 4f¹⁴5d¹⁰6s²6p²
Electrons per shell: 2,8,18,32,18,4
Boiling point: 3,180°F (1,749°C)
Explanation:
hope this helps :)