When an electric kettle containing cold water is switched on, the water in it starts boiling after a few minutes. What is the source of the heat energy of the boiling water?

Mechanical energy from the power socket
Newly created energy that increased the total energy
Mechanical energy from the heating element in the kettle
Already existing energy that was present in some other form

Answer ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel

Drag each label to the correct location on the chart. match the function to the type of tissue