Sample b is the control group because it’s the group not being tested and being kept the same.
For measuring the temperature of a classroom, the best instrument that one can use is the THERMOMETER. The correct option is D.
Thermometer is the instrument that is specifically designed for the measurement of temperature and there are different types of thermometers for measuring different types of temperature.
Note that, barometer is used for measuring atmospheric pressure, sphygmomanometer is used for measuring blood pressure and atmosphotometer does not exist.
<span>Obesity
is a more serious degree of overweight and it is estimated that 67% of the
adult population is obese. However it is also estimated that 33 percentage of
adult men are obese and 35 percentage of adult women are obese. Furthermore,
middle aged in 40s to 59 years old American adult has the highest prevalence of
obesity in which 40% the women is higher than in men. </span>
<span>The part of the brain responsible for coordination, balance and smooth motions is called the cerebellum. The cerebellum is at the back of the brain, under the cerebrum, Because of your cerebellum, you can stand upright, keep your balance, and move around.</span>
living things need non living things to survive. Without food, water, and air, living things die. ... Plants use water from the soil, carbon dioxide from the air, and energy from sunlight to make their own food.
