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Mnenie [13.5K]
3 years ago
15

In order of importance, the world's four most important crop species are

Biology
1 answer:
astra-53 [7]3 years ago
8 0
In order of importance, the world's four most important crop species are: CORN, WHEAT, RICE AND POTATOES. 
Corn is the most produced grain in the world and it is used as raw material for production of different types of food. Wheat is the leading source of vegetable protein in the world, it is usually grown in dry and cold climates. 
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Epithelial cells can be found in: <br> A. Skin<br> B . Blood<br> C. Bone<br> D. Muscle
castortr0y [4]

Other surfaces that separate body cavities from the outside environment are lined by simple squamous, columnar, or pseudostratified epithelial cells. Other epithelial cells line the insides of the lungs, the gastrointestinal tract, the reproductive and urinary tracts, and make up the exocrine and endocrine glands.

answer:

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Skin

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