Task 7. The Island "Barsakelmes".
Based on the information about the island "Barsakelmes" give one plausible explanation for reducing the number of wild asses in the period under review (from 70 to 20 years ago).
Answer: .
Question 2. In Table 1, shown below, shows the total
number who have given birth, and the number of surviving juveniles wild asses in the island "Barsakelmes" for two consecutive years.
Table 1.
|
2000 year
|
2001 year
|
Births of juveniles kulan
|
355
|
450
|
The number of surviving of juveniles kulan
|
120
|
170
|
The man, who saw this table, said that it shows that the number of wild asses is constantly growing. Is there enough data in the table to make such a conclusion?
Explain your answer.
Answer: .
Task 8. Windmills
Structures Figure 11 - is a windmill with lopostyami which rotate due to wind. These rotations generators produce electricity. The stronger the wind, the blades rotate faster windmills and so produces more electric power.
Figure 11
