Used to define and identify geological times.<span />
Answer:
D
Explanation:
Addition of hydroxide ions will decrease its acidity and make it more basic.
Answer:
Fires, volcanoes, and weathering
Earth’s global temperature has changed greatly in the past hundreds of years. This is due to how much energy the planet is receiving from the sun and how it radiates back. Another cause is humans, due to deforestation, burning of fossil fuels, pollution, etc.
