Is a substance that speeds up a chemical reaction, but is not consumed by the reaction
Answer:
The independent (or manipulated)variable is something that the experimenter purposely changes or varies over the course of the investigation. The dependent (or responding) variable is the one that is observed and likely changes in response to the independent variable.
Explanation:
please mark as brainlist answers
That would be cellular respiration.
Can you list the answers? Or is it a written paragraph?
Answer:
A.the nervous system gathers,interpret and respond to information about the body's internal and external environment
Explanation:
the nervous system is a highly complex part of an animal that coordinates its actions and sensory information by transmitting signals to and from different parts of its body
