Укажите, какие из данных предложений характеризуют:
a)первичный корень; b) вторичные корни; с) волокнистые корни:
1.It appears as soon as a seed germinates.
2.They help hold the plant more firmly in the ground.
3.In dicots it is both strong and thick.
4.These are long, thin roots in monocots.
5.They let the plant reach 20-metredeep sources of water.
6.They do not grow as deep as taproots.
7.They help increase the surface area for absorbing water.
8.They grow rapidly at a shallow depth and cover a large area.