Jessica's kettle is old and a bit temperamental. She decided to buy a new smarter, plastic kettle. On starting to wire, Jessica noticed that her new kettle has only two wires. The wire that would be connected to a pin named A was missingI. Give a possible name of pin Aii. What is the purpose of the wire attached to pin Aiii. Explain why this wire is not necessary for her new kettle

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it