17 results for “carbon dioxide”
The Human Body
Lungs and Breathing
carbon dioxide. When carbon dioxide in the blood rises, as it does during exercise, the brainstem
Article · 4 min read
Plants & Fungi
Photosynthesis: How Plants Eat Light
carbon dioxide pulled from the air molecule by molecule and welded into wood using the energy
Article · 3 min read
Planet Earth
The Atmosphere
carbon dioxide that governs the climate, amounts to a few hundredths of a percent. Water vapour
Article · 4 min read
Chemistry
Chemical Reactions
carbon dioxide and two of water. Every carbon, hydrogen and oxygen atom that went in comes
Article · 3 min read
Chemistry
Acids and Bases
carbon dioxide from the air, which forms carbonic acid and slowly lowers their pH. More acidic
Article · 3 min read
Planet Earth
Weather and Climate
Carbon dioxide and other gases let sunlight in but trap the heat radiating back out, the greenhouse
Article · 4 min read
Planet Earth
Volcanoes
carbon dioxide, build pressure. When the pressure exceeds the strength of the rock above, the volcano
Article · 4 min read
Planets & the Solar System
Mercury and Venus
carbon dioxide, 92 times thicker than Earth's. That blanket traps the Sun's heat so efficiently
Article · 3 min read
Life & Biology
The Origin of Life
carbon dioxide, hammered by leftover debris from the formation of the solar system. Within a few hundred
Article · 4 min read
Life & Biology
Dinosaurs and Mass Extinctions
carbon dioxide, acidified the oceans and heated the planet. Three others, at the ends of the Ordovician
Article · 3 min read
Plants & Fungi
Trees and Forests
carbon dioxide in the air. The world's forests hold more carbon in their trunks, roots
Article · 4 min read
Planets & the Solar System
Comets, Asteroids and Pluto
carbon dioxide, ammonia and dust, left untouched in the cold for 4.6 billion years. Most spend
Article · 4 min read
Plants & Fungi
Fungi
carbon dioxide, which is why bread rises and why beer and wine exist; humans have been
Article · 4 min read
Planet Earth
The Oceans
carbon dioxide humans have emitted, which makes the water more acidic and harder for corals and shellfish
Article · 4 min read
Planets & the Solar System
Mars
carbon dioxide and so thin that the pressure at the surface is less than one percent
Article · 4 min read
Space & the Universe
Exoplanets: Worlds Around Other Stars
carbon dioxide, methane and sulphur dioxide in the atmospheres of distant worlds. The dream is to detect
Article · 3 min read
Planet Earth
Plate Tectonics and Earthquakes
carbon dioxide through volcanoes, it has acted as a planetary thermostat for billions of years, keeping
Article · 4 min read
