Question 5 of 10 According to the law of conservation of energy, which statement must be
true?
A. The total energy of a system can decrease only if energy leaves
the system
B. A system cannot take in additional energy.
C. Potential energy can only change to kinetic energy.
D. There is only one form of energy
SURAT

can you attach the

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them  

c. electrical charges of ionic bonds.