Explanation:
we can protect soil quality by the following ways:
1.plantation should be done.
2.chemicals should not be used.
3.using earthworm in the field as it makes the soil fertile
4.construction of dams should be made which prevents soil erosion.
hope u get it!
Answer:
Spain by "then" will be a depopulated nation dominated by elderly and single people,the country will have lost 5.3million inhabitants, or 11% of the current population, by the middle of the century. If the trends continue, by then the over 65s will make up 34.6% of the population while close to a quarter of a million Spaniards will be over 100yrs old.By that date there will be 1.7million fewer children under 10 than there are now.....
The answer would be -> b. incorrect
