<span>Arrange the following five events in an order that explains the mass flow of materials in the phloem.
1. Water diffuses into the sieve tubes.
2. Leaf cells produce sugar by photosynthesis.
3. Solutes are actively transported into sieve tubes.
4. Sugar is transported from cell to cell in the leaf.
5. Sugar moves down the stem.
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C) 2, 4, 3, 1, 5
Answer:
monosaccharides!
Explanation:
- these are basic unit or simple sugar that make up the more complex sugars such as oligosaccharides and polysaccharides
- monosaccharide is a greek word ,mono meaning singular and sacchar means sugar
general formula:-
(CH2O)n,where n is 3 or greater than 3
- it is the most abundant sugar in nature
- It is present in different fruits and vegetables
Answer : Radiational Cooling
Explanation: Continental polar (cP) or continental arctic (cA) air masses are cold, dry, and stable. These air masses originate over northern Canada and Alaska. They move southward, east of Rockies into the Plains, then eastward.
The answer is C. They haven’t gone through physically restorative sleep and therefore may need to go to the doctor, especially if it happens often.
