Yes the do increase heart rates.
Set up a proportion: Central Angle/360= arc length/ circumference where the central angle= 45 and circumference= 128 ft. After you cross multiply, you should find that the answer is 16ft which is A.
Answer: Nonliving
Explanation:
It cannot be classified as dead or living as it isn't and never was alive, and it is important to survival and therefore isn't unimportant
Hope this helps!
Answer:
mafic and felsic.________________________
