Answer:
the whole world will blow up and come to an end
Explanation:
What will happen to Earth when the Sun becomes a red giant?
at will no longer be gravitationally tied to the sun
global warming will occur
or engulfed by the outer layers
of the sun
The collapse of the Soviet Union
<span> factors were responsible for environmental improvements in Eastern Europe during the 1990s</span>
Answer: B
a city's poorest and most disadvantaged citizens
Explanation:
this is the answer on the edges of the nuity
Answer:
Healthy ecosystems clean our water, purify our air, maintain our soil, regulate the climate, recycle nutrients and provide us with food. ... Biodiversity is the key indicator of the health of an ecosystem. A wide variety of species will cope better with threats than a limited number of them in large populations.
Answer:
zircons
Explanation:
The Jack Hills Zircon is believed to be the oldest geological material ever found on Earth, dating back to about 4.375 billion years, give or take 6 million years – the zircons are not technically rocks, but we felt that they should be included on this list.
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