Observation of growing plant day by day

Plants are living beings and need food to grow in a healthy way. Plant food is supplied by the soil, which, in addition to sustaining it, is the deposit of substances from which vegetables feed.

These food substances are called nutrients, and they are all the elements, or chemical compounds, that beings ingest to guarantee the functioning of their body's metabolism and cellular actions. In short: nutrients are the fuel and raw material for life.

answer to ur question is college b

the federal government of the united states was established by the constitution. us is a presidential republic. the president is head of state, head of government and of a two party legislative and electoral system. the supreme court balances the powers of the federal and the state government. yhe executive branch is headed by the oresident. there are two chambers of congress, the senate and the house of representatives. judicial power is exercised by the judicial branch (or judiciary), comprised of the supreme court and lower federal courts. the judiciary's function is to interpret the   constitution as well as the federal laws and regulations.