To form an oxygen molecule to oxygen atoms share two pairs of electrons what kind of bond is shown below by the electron dot diagram of o2

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.

indium, and thallium have three electrons i think