A. the distribution of sand on an ocean floor
Answer:
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Explanation:
Yes, this is true because some bacteria in our environment tends to either fend off of or kill other types of bacteria. In this case, this bacteria is helpful because it turns gaseous nitrogen into a form that can be absorbed and used by plants in our environment.
The sustainable use of land means using the spare land in such an activity which supports the society and benefits the environment.
In such a situation if a land is found spare then a park should be constructed on it.
This will create an recreational activity spot for the society and they will be able to spend their leisure time with fun.
Also there will be less pollution and harm to environment will be lowered by greenery and trees in the park.
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Answer:
only three house flies were collected for an experiment
