The company that first commercialized Bt crops is: ((MCAER 2014))

✅Explanation: Isohyets are lines drawn on a map to connect points with equal amounts of rainfall over a specific period. They are used to visualize rainfall patterns and identify areas with similar precipitation levels.

📌 Other Options Explanations:
-Option A: Isobars are lines connecting points of equal atmospheric pressure.
-Option C: Isotherms are lines connecting points of equal temperature.
-Option D: Isopleths are lines connecting points of equal values of any variable, such as population density or elevation.

🔑Key Points:
-The lines joining places with equal rainfall are called Isohyets.
-Isohyets are lines on a map connecting areas that receive equal amounts of rainfall or precipitation in a given period.
-They are an important tool in the fields of meteorology and hydrology, and they assist in understanding the distribution of rainfall across different geographic regions.