Answer:
Angle of light source
Explanation:
Independent variable is the variable that the experimenter changes or manipulates in an experiment in order to bring about a measurable response, which is the dependent variable.
In this question, a student wants to investigate the effects of phototropism in bean plants. She places a light source directly above one plant, at a forty-five degree angle to another, and at a ninety-degree angle from the third. This shows that the variable being manipulated (independent variable) is the ANGLE OF THE LIGHT SOURCE.
Answer: 1: Carbon Dioxide 2: Water 3: Glucose 4: Oxygen
Explanation:
Answer - A. Will slowdown or stop working
Reason - every enzymes has a specific ph level but if it's out it's range then it won't be able to adapt and will eventually stop working. Like I said enzymes have specific needs in order to be able to function properly.
