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.
<span>Poorly worded questions are a frequent cause of errors in polls. When questions are worded in strange ways, people often misunderstand them and respond incorrectly to the question causing an error in the polling data. Often, people respond oppositely to what they would normally say due to misinterpretation.</span>
To make sure your body is healthy , and fights them off .
Answer:
D
Explanation:
"During evaporation, the Earth loses a significant amount of water. Global warming increases evaporation, decreasing the amount of water on Ea" - question, This happens everyday and answer B is almost impossible to happen but i doubt it. Why A is the answer is because global warming is happening and etc. And also it doesnt show that water is renewable when water evaportates.
They can either be protons (positive) or electrons (negative)
