30 minutes a day is the answer
Split-brain patients have had surgery to cut the corpus callosum. Such a phenomenon was studied and monitored by two neuroscientists Roger Sperry and Michael Gazzaniga. After hard operation, patients felt quite good although the expectations weren't that good. Patients could perform all the activities they did before surgery, that was very surprising and innovational. But after several experiments, doctors discovered side effects and got back to study this process.
The tobacco in one cigar can contain as much as tobacco in full a packet of cigarettes.
<h3>How much tobacco is in a cigar compared to a cigarette?</h3>
Cigars are bigger than cigarettes so one cigar can contain as much tobacco as an entire pack of cigarettes. Cigars contain about 100 to 200 mg of nicotine while on the other hand, cigarettes contain approximately 10 mg of nicotine which means that 10 to 20 cigarettes have same the amount of tobacco as one cigar.
So we can conclude that the tobacco in one cigar can contain as much as tobacco in a full packet of cigarettes.
Learn more about tobacco here: brainly.com/question/220321
#SPJ1
The answer to that question is D
I believe it is A and C. :^) Hope this helps!