The independent is the amount of time you do sit-ups the dependant is your heart rate because it will speed up
the control is how much effort that you put out doing sit ups
Answer:
Changes can occur to physical properties of a substance, but the chemical composition of the substance remains the same.
Cell Wall
Explanation:
About 63% of the bacteria tested were Gram-negative, which means that they have a cell wall that is more resistant to certain classes of antibiotics than the cell walls of Gram-positive bacteria.
Answer:
Explanation:
When sugar increases, there is increase in the productions of ATP
