Answer:
Option (C)
Explanation:
The outer core of the earth is liquid in nature, where they are comprised of dense molten rocks, which flows continuously due to the heat energy radiated from the extreme core of the earth, having a very high temperature. This flow of liquid rocks across the present magnetic field lines of force generates an electric current which subsequently produces the magnetic field. This process of producing magnetic fields is commonly termed as advection.
Thus, the correct answer is option (C).
2hrs to make twelve bowls
Answer:
yes china still undernourish
Explanation:
Yes, because there are hunger in rural areas. Nearly half of china is live in rural areas.
Answer:
B. It can cause pollution of water in lakes and rivers
Explanation:
Poor use of fertilizers in Agriculture can affect the environment because they cause pollution of water in lakes and rivers.
Pollution is the introduction of filth or unwanted materials into the environment.
- When fertilizers are poorly applied on farms, they can cause pollution of nearby water bodies.
- Rain water usually during a down pour can wash them off into surrounding water bodies.
- They can also even infiltrate into the ground water systems.
- On getting into the rivers and lakes the alter the chemical balance and lead to severe pollution.
- One of such is eutrophication.
So, poorly applied fertilizers can cause pollution of water in lakes and rivers.
Answer:
I think the answer is D. red and green