Scott is making a chart to show the difference between chemical reactions and nuclear reactions. Which part of his chart is incorrect?
Chemical Reaction
Nuclear Reaction
Line 1
Happens in the nucleus of atoms
Happens between atoms
Line 2
Forms new compounds
Forms new atoms and radioactive particles
Line 3
Involves small amounts of energy
Involves large amounts of energy
Line 1 is incorrect
Lines 1 and 2 are incorrect
II
Lines 2 and 3 are incorrect
Line 3 is incorrect

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

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?

The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g