Answer:
A, D Is your answer
Explanation
Researching bones, animals, and DNA can tell you a lot about the
colonial history of a region. Even clothing, vehicle parts, and
plant life can tell how people lived in colonial times.
The correct answer is the peacock. The plumage found in Indian peacocks are because of the Bragg reflection phenomenon.
Explanation:
Bragg's law, or Wulff–Bragg's position, a special event of Laue diffraction, gives the plans for coherent and incoherent scattering from a crystal lattice. When X-rays are conflicted on an atom, they make the electronic cloud move as does an electromagnetic wave and it is observed in peacock.
Answer:
In 2003 the Federal Republic of Yugoslavia was renamed to State Union of Serbia and Montenegro. The union peacefully broke up when Serbia and Montenegro became independent states in 2006, while Kosovo proclaimed its independence from Serbia in 2008.
Explanation:
A state is in a country, a country is in a continent. The main difference is size. a state can be really populated, but a country is more populated. a continent is even more populated then that. Hope this helps
Answer:
Explanation:
Catalytic converters are used as an exhaust emission control device and are used to remove toxic gases and products by catalyzing the redox reactions.
The Corporate Average Fuel Efficiency (CAFE) standards were set of rules enacted in the USA to increase the efficiency of fuel engines and hence to reduce the emission rates .
The ethanol as compared to the conventional gasoline emits 50 per cent or lesser greenhouse gases to the environment .