How did Leonardo da Vinci add to the study of medicine during and after the Renaissance?

Da Vinci had created the very first depiction of the normal thyroid, and in so doing, recognized it as an anatomical organ and not simply a pathological aberration

Explanation:

i think the answer is c, rivers.

explanation:

sometimes, borders fall along natural boundaries like rivers or mountain ranges. for example, the boundary between france and spain follows the crest of the pyrenees mountains. for part of its length, the boundary between the united states and mexico follows a river called the rio grande. the borders of four countries divide africa’s lake chad: niger, chad, cameroon, and nigeria.

due to inefficiency of management, the business plan has failed

idk what right product means but i assume it's this one since this was the last one left after i did the other three

the finance team has misjudged the requirement of business plan and chosen a wrong line of credit

operations risk is when the employees make a mistake

flash floods have damaged all machinery in the main manufacturing

natural disasters include anything ruined in the business by the weather or other disasters such as earthquakes

there have been foreign exchange rate fluctuations

economic risks is when things in the economy changes (like interest rates, currency value). the government has a large part in controlling this