How many seconds are there in the month of february, which has twenty-eight days in a common year?
3.24 x 10-6 s
2.42 x 106 s
6.72 x 102 s
4.2 x 103 s

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.

idk what is it? is this a question that you know the answer or u dont

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;