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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1. Solar energy, wind energy, bio-fuels
2. Coal, natural gases, steel
Answer:
It changes the angle.
Explanation:
Seasonality affects the angle of the sun above the horizon by making it higher in the summer and lower in the winter.
The tilt of the Earth is responsible for the seasons and for the angle at which the solar rays make contact with any given point on the globe during a certain season.
In summer, the Sun is closer to the overhead position, while in winter the Sun is lower on the horizon.
