Answer:
i have no idea if its correct but i think the answer is A.
Answer: it result in high dependency ratio.
Explanation:
Ageing population is a kind of population with a high number of old people than young people in the country. it can be a problem because it can lead to a high dependency ratio in which the number of the working population will be lower than the number of people who depend on the working population. when a country has a lesser number of people that are working it has a greater economic consequences for such a country such as decrease in production, reduction in the number of tax payers.
Answer: 2; 4 ;1 ; 3
Explanation:
2. Bowman's capsule
4. proximal convoluted tubule
1. loop of Henle
3. distal convoluted tubule
He was responsible for proposing the three laws of motions
Trade is when two or more people exchange items such as food , money , books and etc...
When our country = America ( USA ) trades goods such as money , or food and medical supplies to other countries ( Nations ) to help them and in return we might get more supporters or better Technology.
I really hope that this helps you out a lot.