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Answer:
Chemical composition
Explanation:
Sometimes Earth's layers are called crust mantle, and core. These are the names of Earth's layers based on their Chemical composition.
Answer:
The loss of biodiversity, destruction of habitat and lack of forage due to monocultures and bee-killing pesticides are particular threats for honeybees and wild pollinators.
Explanation:
The bees are often exposed to the pesticides when chemically treated plants, such as corn, release pollen into the air. CCD has been devastating the U.S. honey bee population since at least 2006. The mysterious disorder causes honey bees to disappear from their hives, and their bodies are rarely found.
It has something to do with the minerals in their ground.
The answer is D. When carbon-based fuels are burned, they emit carbon dioxide into the atmosphere. Carbon dioxide is a greenhouse gas that causes a greenhouse effect that increases global temperatures hence global warming. However, it is important to note that carbon dioxide is not the only carbon-based greenhouse gas. Methane too is a greenhouse gas, several times more potent than carbon dioxide. Reducing the emission of these greenhouse gases, therefore, mitigates the risk of global warming.
