The controlled variable is the one that stays constant and remains the same throughout the whole investigation
Reactant concentration, the physical state of the reactants, and surface area, temperature, and the presence of a catalyst are the four main factors that affect reaction rate.
Answer:
Actions that you have trained yourself to perform.
they are obtained by experience. they are not passed from generation. they can be learnt or abolished. Higher center's of brain is responsible for conditional reflexes
Explanation:
example riding a bike, swimming, typing
Answer:
55,000,000
Explanation:
550 hectometers [hm] = 55,000,000 millimeters [mm]
The statue will weather faster because of more surface area.
