Answer:
I think D. maybe C
Explanation:
newtons is force of gravity and grams can be weight or mass in the metric system
d.) a and b only
This is because sound needs a medium to travel. It can travel in a solid (the fastest) and air for example. Sound waves cannot propagate through a vacuum and since space is a vacuum the answer is a and b only.
Carbon-13 will have 6 protons (because it is carbon), 6 electrons, and 7 neutrons. Isotopes have a different number of neutrons.
The ball is going Zero miles right before the player kicks it.
