CONDITIONS FOR LIFE
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PRESENTATION OUTLINE
ENERGY 🌞
- Gravity-the force that attracts a body toward the center of the earth
- Sun's light-portion of electro magnetic radiation given off by the sun
- How is it used-solar energy is used
ATMOSPHERE 🌎
- Made up of- Earth's atmosphere is 78% nitrogen, 21% oxygen, 0.9% argon, and 0.03% carbon dioxide
- What does it do-protects all living things from sun radiation.
- Protection & weather-The earths atmosphere is what makes life on earth possible and keeps dangerous temperatures out.
- Gravity-keeps the atmosphere in place.
Photo by revedavion.com
WATER AND TEMPERATURE 💦
- Earths climate is stable due to distance from the sun
- Water is the most important chemical necessary for life to exist on earth,it is drinkable and allows molecules to travel through the body
- Water vapor is vital and is important to form earths regular temperatures .
Photo by Mouin.M►
WHAT IS NECESSARY FOR LIF AND ROTATION 🌍
- How do the sun and the rotation of the earth help support life-The length of time it takes for earth to rotate on its axis is just under 24 hours,with 12 hours each of light/darkness.
- Because half of 243 days are nothing's no but darkness and plants need light to under go photosynthesis.
Photo by KKfromBB
