Which metallic substance would require the least amount of thermal energy to melt? You may need to zoom in on the data table in the pic

A. Gold

B. Nickel

C. Aluminum

D. Steel

the leaf is an organ of a typical plant, and the main functions are to complete photosynthesis and allow the plant to exchange gas, just like how we have the respiratory system. leaves have the stomata, which collects maintains co2 and o2 levels. this is necessary for cell metabolism. the leaf also collects sunlight using chloroplasts. succinctly, leaves own a pivotal role in sustaining plant life.

the answer to this question is 3.