Answer: Objects with like charge repel each other.
Maybe because gravity has control of each formation of the solarsydtem thats why its just a guess
A catalyst will speed up the activation energy and therefore speed up the reaction. The products will form fast because of this.
D = m / V
D = 8.0 g / 25 cm³
D = 0.32 g/cm³
Answer A
So,
With addition, we the last digit we keep will be the one which is known for both individual values.
We know 2.13 to the hundredths, but we only know 1 to the ones. Therefore, we will round off in the ones place.
2.13 + 1 = 3.13 (unrounded)
= 3 (rounded)
Hope this helps!
