Rearrange the formula to calculate energy. If a portable phone needs two watts to operate and it is used for 15 seconds, how many joules will have been used?
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Why are pipes bursting in the in extremely cold weather?

How have the greenhouse gasses increased from the year 2000 to 2018

The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.