Copper is considered to be a non-renewable resource as it takes a long amount of time for the copper deposits to form.
Answer: Autonomic: Acting or occurring involuntarily, without conscious control. Central nervous system: The part of the peripheral nervous system that transmits signals from the central nervous system to skeletal muscles, and from receptors of external stimuli, thereby mediating sight, hearing, and touch.
Explanation:
Because sugar is not a long lasting condiment
Answer: It is the key to blocking infections
Explanation: I hope this is right :)
Answer:
The answer is statement 1, 2, and 3
Explanation:
A hypothesis is a starting point for further investigation, therefore a hypothesis will always be a possibility at least until it is tested.
Variable is a factor that is liable to vary or change.
A hypothesis without being tested is merely a statement or an explanation made on the basis of limited evidence. Therefore it is unsure whether the said statement is true or not.
A hypothesis can still be proven by further investigation with different variables