The answer is D (8 to 12)
While doing upper-body exercise routine, fatigue of target muscles can be safely achieved within<span> the short time-frame of about 1.5 minutes (the time-frame for anaerobic pathways) by simply performing 8 to 12 </span>repetitions<span> at a moderate movement speed.</span>
The back of his head, Cerebellum
Explanation:
The back of the head deals with memory.
I just know from experience
Biocontrol strain,Bacillus sp.EN71-1 ,Rahnella aquatilis HX2 ,strains of Enterobacter ,agglomerans,Psedomonas spp. ,etc are controlled by a beneficial bacteria.