Climate Natural Variability (Mastery Quiz)

The Earth's climate goes through episodes of __________________ over geological time.

• strong and weak winds

• cooling or warming

• wetting and drying

• heavy and light rain

Evidence of climate variability includes:

• seafloor sediments

• oxygen isotopes

• size of continental ice sheets

• sulfur isotopes

Climate variability occurs due to natural processes including the changes in the Earth's _____.

Climate variability occurs due to natural processes including the changes in the Earth's _____ __ ____.

Climate variability occurs due to natural processes including the occurrences of ________.

Climate variability occurs due to natural processes including occurrences of _____-_____ ________ _________.

What does isotopes refer to?

• Atoms of the same element that have different number of nucleus

• Atoms of the same element that have different number of protons

• Atoms of the same element that have different number of electrons

• Atoms of the same element that have a different number of neutrons

_______ is a dark patch that appears from time to time on the surface of the sun.

Higher concentrations of light oxygen in the ocean means that the Earth's climate is ______.

Higher concentrations of heavy oxygen in the ocean means that the Earth's climate is ______.