What is the primary cause of the change in carbon dioxide (CO2) levels starting at point X in the graph below? * The sun became much brighter than it was before then.
Humans began to farm and settle in towns since then.
Several volcanic eruptions happened since then.
The ocean started releasing much more carbon into the atmosphere.
Humans have burned large amounts of fossil fuels since then.

Humans have burned large amounts of fossil fuels since then.

Explanation:

because of how much fossil fuel we have burnt

Explanation:

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.