Answer:
By measuring the quantity of unstable atoms left in a fossil and comparing it to the quantity of stable daughter atoms in the fossil , scientists can estimate the amount of time that has passed since that fossil formed.
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Answer:
About 30% of the solar energy that reaches Earth is reflected back into space. The rest is absorbed into Earth's atmosphere. The radiation warms the Earth's surface, and the surface radiates some of the energy back out in the form of infrared waves.
Explanation:
This shift decreases the water resources available in town A. for example, in the table above, the amount of water available per person dropped to 1200m3.
Answer:
A) a large fault
Explanation:
that looks like the San Andreas Fault from an aerial photo.
A river would be wider.
A canyon would not have raised edges
Sand dunes would not be so steep.
To promote the growth of vegetation, Aborigines from Australia created grass fires to encourage new growth in vegetation and to allow the wild animals to eat the new plants resulting from the grass fire. They also used grass fires in order to roast some seeds that germinate only when burned. In return, these seeds provide them food.