Answer:
D) compact bone
Explanation:
Compact bone tissue is made of cylindrical osteons that are aligned and travel the length of the bone.
Answer:
Reward deficiency.
Explanation:
Reward deficiency syndrome is a disorder that is caused inadequate neurotransmitters. This disorder can arise due to genetic and environmental factors. Individual with this disorder exhibit compulsive behaviours and a wide range of addictions.
Reward deficiency syndrome leads the individual to crave for something that relieves them from a negative feeling. Individuals who suffer from this syndrome are unable to derive pleasure from the normal everyday activities.
Alcoholism, drug abuse and other negative behavior may arise from reward deficiency syndrome.
Answer:
Sleep routine, he might have got used to it, just as you have got used to yours.
He probably needs 12 hours sleep to 'operate properly'
