First, the unit is words per minute, not the other way round because you're interested in how fast people can type, not how much time passes for every number of words they write or read (that would be minutes per word)
now, we know they do 4200 in 60 minutes.
we need to divide 4200 by 60- first,

so the answer is, 70 words per minute
I think you made a typo in your answer and you meant 4600 instead of 4200 - then the answer is <span>C. 76 2/3 word/min</span>
They were able to show how to produce the best plant with the right amount of light that the plant is exposed to.
They were also able to show how to draw blood plasma from the blood by studying its response to various stimuli.
Answer: respiratory system
Explanation:
The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs and blood vessels. The muscles that power your lungs are also part of the respiratory system. These parts work together to move oxygen throughout the body and clean out waste gases like carbon dioxide
<span>Water is called the Universal Solvent. Water is regarded as being versatile because of its capability to dissolve many substances which is expected because of its polarity. Water's composition contributes to its solvent abilities, with one side having a negative electrical charge(oxygen) and the other a positive charge(hydrogen) this allows it to attract other molecules thus dissolving them. </span>