List three examples of observation of earth by remote-sensing satellites

What is important to study for nios grade 12 chemistry? i have only one month left.

Why are people not able to scuba dive in the deep part of the ocean

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange