A student wants to make a fair comparison of the reactivity of the metals with hydrochloric acid. Name the 2 variables that mus be constant
1.
2.
What is the independent variable in this reaction?

What is the most stable monatomic ion formed from nitrogen

24 points and brainliest to anyone who can answer under 10 minutes with best ! the table below shows the role of different substances during photosynthesis. substance role during photosynthesis glucose stores chemical energy water combines with glucose to form carbon dioxide chlorophyll traps sunlight which of the following statements would correct one of the roles listed in the table? glucose combines with carbon to form water. chlorophyll reacts with light to produce carbon dioxide. water combines with carbon dioxide during photosynthesis. chlorophyll stores chemical energy needed for photosynthesis.

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable