The double arrows tell you that the following reaction co2 + h2o ⇄ h2 + co3

How are viruses and bacteria different?

The energy needs of a human population are not affected by

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable