Answer:
Heart will beat 140 times in 2 minutes.
Heart beats at a rate of 70 beats per minute.
Explanation:
In 0 minutes heart beats 700 times
hence in 1 minute it will beat <span><span>70010</span>=70</span> times
and heart will beat 140 times in <span><span>14070</span>=2</span> minutes
The answer is C.) increased turbidity
If the weight were attached to a rod instead of a spring, then the seismograph would not function. Thus, the correct answer is E.
<h3 /><h3>What is seismograph?</h3>
Seismograph are refers as instruments used to measure the intensity of the earthquake by identifying the epicentre of it.
A pen connected to the weight rests its point on a drum that can revolve. When the drum gently rotates, the pen draws a straight line on paper that has been tightly wound around it.
A seismograph consists of a heavy weight attached to a frame by a spring or wire. When this spring is replaced by rod, then in this case the seismography will not work.
Therefore, option E the seismograph would not function is the appropriate answer.
Learn more about seismograph, here:
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The answer is true. Fossils are formed deep under the ground.
Happy Studying! ^=^