Answer:
37oC - temperature
It is important that the temperature is controlled because it maintains consistency and safety.
Explanation:
-Temperature is a common type of controlled variable.
-A control variable is anything that is held constant or limited in a research study
Correct answer: A). Forecasting weather
A weather radar is an instrument that is used to locate precipitation, calculate its motion and determine the type i.e hail, snow or rain. It sends electromagnetic energy pulse into the atmosphere. If that pulse of energy interacts with something, then it reflects back the energy, which can be sensed by the weather radar.
Nowadays, most radar used are Doppler effect, which has dual polarization, it determines that movement is toward or away from the radar.
Hence, the correct answer would be option A.
Carbon
<span><span>A student believes that a beverage improves memory. Two groups of students will be given a beverage before they take a test in class. </span>
Which of these is the best way for the student to design the experiment?
<span><span>A.<span>One group should be given the beverage, the other group should be given water.
</span></span><span>B.<span>One group should be given beverage, the other group should be given diet version of the beverage.
</span></span><span>C.<span>One group should be given a math test, the other group should be given a science test.
</span></span><span>D.<span>One group should be given the beverage, the other group should be given beverage diluted in water.
</span></span></span></span>
Grapes blueberries bananas peach cherry’s pineapples
