Answer:
4.13Hz
Explanation:
f1 = 1/t1 = 1/0.022 = 45.45 Hz
f2 = 1/t2 = 1/0.0242= 41.32 Hz
No. of beats
= 45.45- 41.32
~ 4.13Hz
Answer:
Highly doubt something that requires great focus and mental strength exists
Photosynthesis in plants converts solar energy into chemical energy using electrons and protons from water.
Answer: Dark matter.
Explanation: Hope it helps :)
