Answer:
Option B is Correct
Explanation:
B. The natural channel had a lower gradient and higher friction than the straight channel.
Answer:
The EU - setting the pace in international environment policy
European citizens enjoy some of the world's highest environmental standards. However, no matter how robust internal EU environmental legislation is, it cannot shield us from the negative consequences of trans-boundary and global environmental degradation, nor does it sufficiently reduce the impact of the EU's economic activity on natural resources worldwide. Today’s challenges are much more inter-related and we have to make sure that we achieve sustainable development in all of its three dimensions: environmental, social and economic.
Confronting the global challenges of climate change, biodiversity loss and biosafety, deforestation, air and water pollution, and chemicals management – to name but a few – requires real commitment and effective cooperation at the international level.
Explanation:
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Answer:
correct option is d) summer solstice
Explanation:
we know that at summer solstice earth one pole is tilt maximum toward the sun and it happen twice in a year
once make it maximum noon and one make maximum night
and earth maximum tilt toward the Sun is about 23.44°
summer solstice, it is also known as mid summer
and
when in sky sun reach high position it make
so here correct option is is d) summer solstice
Answer:
C. better tools for agriculture
Explanation:
- Sumera were the first people, to migrate to Mesopotamia and created a great civilization along the 5500 million years they build the settlements along the river valleys. They had advanced levels of technology such as irrigation techniques.
