D. Uranium. the other ones are reuse able. i found this on Brainly
The intrinsic rate of the atrioventricular av bundle is 40 to 60 beats per minute (bpm).
<h3>
What is the Atrioventricular (AV) and the intrinsic rate?</h3>
Atrioventricular (AV) can be regarded as the block that usually altered the interruption of impulse transmission between the atria to the ventricles.
And this have the 40 to 60 beats per minute (bpm) as the intrinsic rate.
Read more on intrinsic rate here:
brainly.com/question/25545513
#SPJ11
Answer:
because the beaks are different and since they prefer other avaliable seeds.
because the population changes over time its called natural selection, in darwins drawings there were extremely different from eachother.
because when he drew normal finches and went to galapagos islands he saw that there were also finches but they looked completely different and he analyzed their beaks. there are animals who change over natural selection
Explanation:
