Explanation:
Cellulose, hemicellulose and lignin form structures called microfibrils, which are organized into macrofibrils that mediate structural stability in the plant cell wall.
The most important biological role of hemicelluloses is their contribution to strengthening the cell wall by interaction with cellulose and, in some walls, with lignin.
Answer:
because every year there is a new strain of flu
Explanation:
1. Two factors that are related to changes in Earth’s temperature are _______ and _______.
The sun and the atmosphere or it could also be the ocean.
2. The _______ is the measurement upon which all latitude parallel lines are measured.
Latitude
3. during winter, the northern hemisphere is tilted _______ from the sun.
Away
4. These _______ air masses are those that form at regions over higher latitudes and are indicated by a “P” on a
weather map.
polar latitudes
5. When you are near the equator, the winds you will experience are _______.
Light winds
F • t = m • v
Momentum = mv
