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kompoz [17]
3 years ago
15

Why do plants have nodules on the roots?

Geography
1 answer:
horrorfan [7]3 years ago
3 0
Plants have these because root nodules<span> are formed when nitrogen fixing bacteria called "rhizobia" start to enter the cells of a host </span>plant<span>. Rhizobia normally live inside of the soil and they </span>can<span> exist without a host </span>plant<span>.</span>
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Answer:

a. standing in a breeze after getting out a pool in summer  is an example of evaporative cooling .

Explanation:

As in summer season , the wind will be warm and dry , and after coming out of the pool the body will have a layer of water droplets and these water droplets will come in contact with the warm air , the water droplets will evaporate and in turn causes a cooling effect .

Evaporation causes cooling , because , during the process of evaporation the liquid particles absorb some energy from its surrounding , hence , due to this absorption of energy the surrounding turns cooler.

8 0
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Answer:

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