Acurrent-carry ing circular loop of wire is in the xy-plane. the magnetic field generated by the current is going in the -z direction in the middle of the loop. what is the direction of the current 3. seen from the +z side of the loop?

What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.