A. Scientific results presented by a scientist should be reproducible anywhere in the world, without this, the results can not be accepted as theory.
KE = mv²/2
m=2*KE/v²
v=50 m/s
KE=500J
m=2*KE/v² =2*500/50²=1000/2500= 0.4 kg
Answer:
Glucose
Explanation:
It's the food plants need to complete photosynthesis.
