Answer:
The main sources of greenhouse gases due to human activity are: burning fossil fuels leading to higher carbon dioxide concentrations. farming and forestry — including land use change via agriculture and livestock. cement manufacture.
Explanation:
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Answer:
Granite
Explanation:
Obsidian is an extrusive rock, as it is formed on the surface of the Earth from lava, which is magma that has emerged from underground. However, granite is intrusive since it is formed from magma that cools and solidifies within the crust of the planet.
<h2>Definition of nuclear family</h2>
<h2>: a family group that consists only of parents and children.</h2>
C is the answer, because the mantle is made up of liquids and liquids are less dense than solids