[6] 1,
Which of the following is on example of chemical reaction?
a) Rusting of iron b) Cutting of tree
c) Running of bike d) Cutting of paper​

How far is the region from the equator or control climate

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?