an act of speaking one's thoughts aloud when by oneself or regardless of any hearers, especially by a character in a play
The answer to your question is A. - Them because you are referring to the crumbs and just not something random, in which case you would use "it".
I hope this helps you!
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Answer:
trait encoding for short plant structure to reduce transport of water
Explanation:
The Sahara Desert is a zone which receives very low or no precipitation. This region receives maximum of sunlight not received by any other biome. The soil is typically sand which is highly porous and lacks essential growth nutrients necessary for plant growth. The plants grown around Sahara Desert are xerophytic plants. These plants undergoes several adaptations in order to prevent loss of water through transpiration. Trait encoding for short plant structure to reduce transport of water is a xerophytic adaptation.