To determine the total displacement and how fast a toy car can cover an area when speeding in a bending path the car was set in motion to cover the rigorous pathway to its destination

the answer is b & c i believe : )

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates

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.