Question 4 When would a walking catfish need to walk on land?
When a larger fish is chasing it
When it can't find any food
During a dry season
When the water is polluted

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

Now it's your turn to investigate human impact around the world. grab your virtual lab coat and put on your environmental science hat. you will be taking a trip around the globe to explore three locations. at each location, you will investigate the cause and effect relationships of deforestation, desertification, and urbanization. you will also gather evidence of how these factors have impacted the environment over time

Which greenhouse gas is emitted when burn fossil fuels for energy? a.nitrogen b.oxygen c.carbon dioxide d.helium