It flickers or appears to flicker because of the long distance it hast to travel
I need more to answer the question
Answer: A.) The nitrogen cycle recycles nitrogen through an ecosystem, making it available to all organisms.
Explanation: Nitrogen is an essential nutrient for plants and a significant component of proteins, which all animals need to grow, reproduce and survive. The nitrogen cycle converts nitrogen into compounds that plants and animals can use.
The Correct Answer is: D. 1,2,4
<span>Glucose and O2 consumed; CO2, H2O, and energy produced.</span>
