Precipitation<span> is </span>water<span> released from clouds in the form of rain, freezing rain, sleet, snow, or hail.</span>
Answer:These contractile elements are virtually identical to skeletal muscle. ... (a) Cardiac muscle cells have myofibrils composed of myofilaments arranged in sarcomeres, ... The refractory period is very long to prevent the possibility of tetany, a ... At this point, the calcium ion channels close and K+ channels open, allowing outflux ..
Explanation:
Answer:
....................................................
The answer is X is equal to Z
Y+X=Z+Y
Y=Y
Z=X
breaks down the cell wall of bacteria
