Answer:
Mg(s)+Zn2+>>>>>Mg2++Zn(s) B
Explanation:
A catalyst
A catalyst can be in many forms
Explanation:
The speed of seismic waves is affected by the density of the underlying rock.
Seismic waves are elastic waves that transmits elastic energy from one point to the other.
These waves generally produced during an earthquake.
- The higher the density of rock bodies, the faster the wave travels.
- Rocks that are well packed with little to no void have a higher seismic velocity.
- Where density of rock is low, the speed is also low
The <span>formula for carbon tetrachloride is CCl4. The answer is letetr D. The rest of the choices do not answer the question above.</span>
<span>polyethylene or polythene are the main ingredients </span>