Answer:not sure but i think b!
Explanation:
Answer:
Tidal energy is used for the production of electricity from water.
Explanation:
In tidal energy, tides of water is used as a source of energy which is converted into other forms of energy, especially for electricity production. It is low cost electricity production method. Tidal plants are installed inside the water on the shore of sea where tides are in great amount. The energy produced from it is clean because it does not pollute the environment.
The nitrogen in the air cannot be used by producers and consumers. It must be fixed or converted by bacteria in the ground into a useable form for plants called nitrates. Some plants called legumes (beans and clover) actually have bacteria in their roots.
Low blood pressure on the other hand can be to do with:
Exercise and how much you do of it because regular exercise keeps blood pressure low.
Eating as after you eat, blood pressure falls.<span><span>
Stress causes blood pressure to rise.
Body temperature and how high it is affects BP because if you're body temperature is high, your BP is usually low.
Hope that helps.
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