Without a control group there wouldn’t be any basis for knowing if a result is due to the variable being tested
Answer:
390W are used to just power the leaf blower.
Explanation:
Therefor less than half its power is being used for it to actually do its job.
Hope that helps! Good luck!
Answer:
gravity
Explanation:
Gravity from Latin gravitas meaning weight for gravitation is a natural phenomenon by which all things with mass or energy including planets stars or galaxies and even light are brought toward or gravitate toward one another gravity gives way to physical objects
Oxygen enters the blood in the A. Bronchi.
Answer:
Your answer would be A. GENES
Explanation: