Answer:
Green house effect and human activity.
Explanation:
-The green house effect: Some gases in the atmosphere trap the heat and doesn't allow it to scape making the Earth warmer.
-Human activity: The industrial activities have increased the carbon dioxic levels that have contributed to the higher temperatures. Also, deforestation, fluorinated gases and fertilisers containing nitrogen have contributed to climate change.
Answer:
<em><u>#1 and #2</u></em>
Explanation:
The Crust is both the thinnest layer of the Earth's lithosphere as well as the outermost layer of the lithosphere.
Answer:
1.Mercury, Venus, Earth and Mars
2.global warming and climate change; water pollution and ocean acidification; and loss of biodiversity.
3.
