Feeling the heat when touching a hot piece of metal is an example of.

212121212121212122121212121121212122121212121212121212121n i think

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.

i think slash and

the maximum mass of nh3 is nh3 in grams