The environment would probably be a grass land or rich forest
Answer:
P wave
Explanation:
Electrocardiogram records the strength and timing of electrical activity in heart. As various regions of heart contract at different times and for different duration, the electrical activity is not constant and shows a series of rise and fall. There are three main components of ECG: P wave, QRS complex and T wave.
P wave indicates the beginning of electrical signal in the right atrium. The signal spreads in both right and left atria which leads to their contraction. As a result, blood is pumped into the ventricles and rest of the process occurs.
Please refer the attachment for the correct answer
Glucose is used by plants for energy and to make other substances like cellulose and starch.
Evaporation, condensation, transpiration, precipitation, groundwater, surface runoff
