Answer:
It increases heart rate and blood pressure, heart problems, dehydration, seizures, and dangerously high blood pressure. (From overconsumption of caffine.)
Explanation:
Answer:
Negative 3
Explanation:
Bc scientific notation is the zeros either ahead or behind the actual numbers
Deforestation, the chopping off of the trees that can take thousands or even millions of years to grow again<span />
Ans: Beat frequency = = 4HzExplanation: The beat frequency is equal to the absolute value of the difference in frequency of the two waves. In other words, the number of beats per second is equal to the difference in frequency. It is due to the destructive and constructive interference. <span>According to this interference, sound will be soft or loud.
Hence. the formula is:
</span>Beat frequency =
<span>
Since,
</span>
Therefore,
Beat frequency =
=> Beat frequency =
-i
All variables should be controlled except the one being tested because it would allow to ascertain the researcher that the results is truly an effect of that one and tested variable. This variable is called the independent variable. It is what is being changed and manipulated in a research to effect a change to the dependent variable which is the variable being studied.