The speed of the cross country runner is equal to 4 km/min.
<u>Given the following data:</u>
To determine the speed of the cross country runner:
Speed can be defined as the distance covered by an individual per unit time and it can be measured in kilometer per minutes (km/min).
Mathematically, speed is given by the formula;

Substituting the given parameters into the formula, we have;

Speed = 4 km/min.
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Answer:
Which is faster, visual or auditory reaction times?
Biological Magnification:
The accumulation of chemicals in the top most organism of the trophic level or food chain.
Example : sharks , predator fishes etc
Answer:
Explanation:
Lysosomes and peroxisomes. These organelles are the recycling center of the cell. They digest foreign bacteria that invade the cell, rid the cell of toxic substances, and recycle worn-out cell components.
<span>endocrine system.............</span>