Photosynthesis produces

carbon dioxide and energy

carbon dioxide and oxygen

glucose and oxygen

glucose and carbon dioxide

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?