1.what things are nrmful the environent
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Snow or ice that slides down a steep slope at great speed. Avalanches occur when the force of snow on the surface is formed under the influence of heavy snowfall, rapid melting of snow, rainfall, recrystallization of a loose layer of snow with a deepening. According to the nature of the landslide, it is divided into landslides, troughs and landslides. During an avalanche of dry snow, a wave of air appears in front of it, which has time to spread. Avalanches follow their former trampled path, the lake. 2 million m3, and the impact force is up to 60 - 100 t / m3. In landslide-prone mountains (Ili, Semirechye Alatau, etc.) avalanche protection systems (snow shields, artillery shelling of dangerous slopes, etc.) are established, deforestation is prohibited. Trees will be laid on landslide-prone slopes. Avalanches are caused by the collapse of vertical hanging glaciers and their downward movement.

1) How do she usually get to school
2)When we came the dinner was still cooked
3)I was very tired because I had been running for an hour
4)Has Jane ever heard
5)When summer will come
6)Your question is discussed
7)Will she has painted..
8)The book will be published
9)How long have you been reading
10)The cooking is usually done..
11)When did he get this letter
12)If she doesnt come
13)They are going to work
14)Was this novel writen last year?
15)
16)What novel is she writing
17)What did you do
18)The clock will be repaired
19)We hadnt written