B. sunflower is the answer .....I think so if wrong correct me.............!!!!!!!!!!!!!!
I am not sure because there may be more context, but here is what I am guessing the answer is.
As Bryson pedaled uphill both his heartbeat and breathing rate increased. His breathing rate increases to provide the body (more specifically, exercising muscles) with oxygen at a higher rate and his heart rate increases to deliver the oxygen (and glucose) to the respiring muscles more efficiently.
somatic mutations can be inherited from parents
All the three elements belong to the same group in the periodic table, that is Group 15 (Va) of the periodic table. They are also known as Nitrogen group element, others are, antimony, bismuth and moscovium. They share certain general similarities in chemical behavior, which reflect common features of the electronic structures of their atoms.
Each element occupies the fifth position among the main group elements of its period, a position designated 15. Also they possess an outermost shell of five electrons. Additionally, they have an unshared, or lone pair of electrons which remains after the three covalent bonds, or their equivalent, have been formed.
I believe the answer is, Sea of Tranquility.