What gas makes up 78% of the atmosphere? - Answers -✔✔ Nitrogen
What is the second most common gas in the atmosphere? - Answers -✔✔ Oxygen
How much carbon dioxide is in the atmosphere? - Answers -✔✔ .01%
What layer of the atmosphere contains most of Earth's weather? (0-12 km above Earth)
- Answers -✔✔ Troposphere
The second layer of Earth's atmosphere which is 12-50 km above. It also contains
ozone. - Answers -✔✔ Stratosphere
50-80 km above the Earth - Answers -✔✔ Mesosphere
80-700 km above the Earth - Answers -✔✔ Thermosphere
700-1000 km above the Earth - Answers -✔✔ Exosphere
Absorbs UV rays - Answers -✔✔ Ozone in the Stratosphere
What layer of Earth forms mountains, volcanoes, and canyons? - Answers -✔✔
Lithosphere (crust)
Tectonic plates smash together to form... - Answers -✔✔ mountains
Weathering and erosion separates rivers which forms... - Answers -✔✔ canyons
, Tectonic plates rub in opposite ways to form... - Answers -✔✔ earthquakes
What waves travel through solids, liquids, and gases? (its the fastest wave) - Answers -
✔✔ Primary Waves
What wave only travels through rock? - Answers -✔✔ Secondary Waves
What waves are seismic and move across the top of the Earth? - Answers -✔✔
Surface Waves
This makes the Earth's geography change. - Answers -✔✔ Plate tectonics
pulls apart - Answers -✔✔ divergent
comes together - Answers -✔✔ convergent
moves sideways and downward - Answers -✔✔ subduction
rain and snow - Answers -✔✔ precipitation
water - Answers -✔✔ Condensation
plants suck water from roots - Answers -✔✔ Transpiration
earth is formed from debris, no life, lots of volcanic activity, moon was also formed
around this time - Answers -✔✔ Hadean (4.5 billion years)
Prokaryote life (first life) emerges, atmosphere is composed of volcanic activity and
greenhouse gases - Answers -✔✔ Archean (2.5 billion years)
Eukaryote life is formed, multicellular organism, oxygen is produced by bacteria. Plants,
animals, and fungi is later formed in this period. - Answers -✔✔ Proterozoic (541
million years)
Vertebrates form in the ocean, life comes to land, animals and humans evolve -
Answers -✔✔ Phanerozoic (541 million years to present)
What forms in Earth's lithoshphere? - Answers -✔✔ Rocks
Earth is the _____ planet from the sun. - Answers -✔✔ Third
How many planets are in our solar system? - Answers -✔✔ Eight
What is the largest planet in the solar system? - Answers -✔✔ Jupiter
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