The answer is powerful Chemical. Powerful chemical like
nuclear power can potentially give accidents, generation
of plutonium, limited uranium supply, cost, radioactive waste. Though
there are also advantages of using nuclear power like 1 kg of enriched nuclear
fuel produces 2 million times the energy in 1 kg of coal.
We can solve it bu:
1 Education:One of the biggest problems concerning urban sprawl is lack of education. ...
2 Community Action.
The community can be a solution to urban sprawl through involvement and action.
3 Smart Growth.
4 New Urbanism.
I think that the answer is C
Answer:
That is much less often than in the last 150 million years, when the field has flipped every 600,000 years. In the last 10-20 million years it has sped up even more, to once every 200,000-250,000 years. "The evidence points to a more stable field in the very far past and fewer reversals," says Veikkolainen.
