The best answer is B.
Each year many tundra plants retain their dead leaves rather than shed them. The dead leaves insulate fragile new buds from the wind and cold. Grass tussocks are a good example of this.
Many tundra plants also wear adaptive coats which are furry and waxy coatings on their leaves and stems. Fine hair or fuzz slows the wind, thus reducing drying and preserving heat.
The waxy coating of many plants also help reduce water loss and evaporative cooling by the wind
<span>The interventions to improve the child's sleep is mainly based on the household behaviors such as eating meals together as a family, obtaining adequate sleep, limiting TV time, and removing the TV from the child’s bedroom, making the child to be so active in the morning time, engaging your child when they got bored, make them to feel tired by doing lot of physical activities, etc., By doing such activities from morning to evening, They feel so tired and make them to sleep after dinner.</span>
A group of tissues working together is an organ.
ANSWER:
A. an organ
The factors that most directly affect blood flow are blood pressure, blood volume, resistance and activity level.
true
