A carbon footprint is a measure of the amount of carbon human activities, like using energy, release into the atmosphere.

Which activity would help decrease the greatest carbon-releasing activity in US homes?

limiting time in hot showers
wearing layers of clothing
turning off lights when leaving a room
unplugging electronics when not in use

How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?