Teaching and funny program

Soil and water conservation

Definition = of soil and water conservation
Soil and water conservation refer to practice which involve all human activeties aimed at reducing the removal of the soil from the land as well as protrcting and maintaining the water supply

# important of soil and water conservation
1 increased organic matter in soil

2 reduction of soil losses from hill and mountain decrease the siltation of dams increase thier lifespan

Choose the correct answer

1. Which of th following is necessary for a virus to reproduce
A. a living host cell B. a nutrient
C.a high body temperature
D. Sunlight, water and food
2.The basic structure of a virus contains
A. a nucleus B.a cell wall C. an envelope
D. an nucleocapsid core

Good luck for you