PLEASE HELP (this is science btw)

What is a physical change? Give 2 examples.
What is a chemical change? Give 2 examples.

Chris, a master at office gossip and innuendo, says, "we know we have a corporate spy someplace in the organization, probably on the management team itself. there is no evidence that it is audrey. in fact, she's too clean, if you know what i mean. somebody should fire audrey; she's got to be the spy." by making this argument chris is actually engaging in (a) an appeal to emotion fallacy (b) a straw man fallacy (c) an appeal to ignorance fallacy (d) circular reasoning (e) an appeal to the mob fallacy

Federal courts have jurisdiction when a case involves what?

11. what characteristic was shared by all the important scientists of the scientific revolution? the importance of challenging authority at all times in the pursuit of truth. truth is only achievable through a process of inquiry and observation. the belief that traditional methods of inquiry and discovery were correct, but needed greater accuracy. the belief that the ancient philosophers were correct in their original observations of the laws of nature.