Solar flares occur constantly, and would have to be HUGE to impact the Earth's climate (remember, climate is measured over long periods of time). While solar flares do affect weather and other things, such as radio waves, they don't affect climate. So C is out. Variations in Earth's orbit are short-lived, so A is out. Earth's reflectivity would need to change in order to contribute to climate change, so ignore answer B.
Now let's look at D and E. Ocean circulation is one of the most important factors affecting Earth's climate, and the primary factor leading to changes in ocean circulation is plate tectonics, or, more specifically, continental drift due to plate tectonics. Plate tectonics cause continental drift, which changes ocean currents, which leads to ice ages, ice cap melting, and global climate change. D and E are correct.
D)ocean circulation and E)plate tectonics are the factors that could contribute to climate change.
More frequent and severe droughts, storms, heat waves, sea level rise, glacier melting, and sea warming can directly harm animals, destroy habitats, and devastate human life and communities. I have. As climate change worsens, dangerous weather events become more frequent or more serious.
Climate change threatens people with food and water shortages, increased floods, extreme heat, more illness, and financial loss. Migration and conflict can occur. The World Health Organization (WHO) calls climate change the greatest threat to global health in the 21st century.
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