Answer:
harmful effects
1. that will cause air pollution
2. that will destroy our earth
Answer:
elements in the same column have the same number of neutrons. elements with similar mass are placed in the same column.
Answer:
Zoning laws establish b. the uses an area of land can be put to.
C and d have the same amount of protons and electrons
Answer:
5 m/s
Explanation:
Here we can see there is no external force acted on a two masses when we consider the motion. If there is no external forces then momentum is conserved.
Initial momentum = Final momentum
0.5 × 10 = 1 × V
V = 5 m/s