The big bang theory suggests that the origin of the universe began with blank that expanded in exploded

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

During photosynthesis, hydrogen ions are most directly used to in the chloroplast pictured above. a) make glucose b) make chlorophyll c) produce carbon dioxide d) drive the production of atp

What is an example of a scientific question that galileo could not have answered with out this new tool?