Which component of Earth’s atmosphere is decreased due to photosynthesis? ozone oxygen hydrogen peroxide carbon dioxide

If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?

Which part of cellular respiration must occur before any of the other steps can occur

Cassandra made a venn diagram to compare and contrast the two stages of cellular respiration. which belongs in the area marked x? energy is released. oxygen is used up. glucose is broken down. carbon dioxide is used up.