The boys end up being adopted by different families. Tom, the brother who lives in a large city, is diagnosed with attention deficit hyperactivity disorder (ADHD). Tests were done and it was discovered that the level of ______________ in his blood was twice the levels found in the general population. The doctors are convinced this is the cause of his disorder.
a. amino acids
b. glucose
c. mercury
d. neurotransmitters
Question 2
Since 1990, there have been no cases in which parents have been ordered to serve time in jail because their children have been truant from school.
Indicate whether the statement is true or false
Color enhanced X ray of large malignant tumor in the right lung.
Glioma. (a) Illustration of a large glioma (colored area) within the left cerebral hemisphere in a s
The Sun giving out a large geomagnetic storm
Large-Flowered Trillium
China's proposed supercollider plans to be twice the size of the Large Hadron Co
Working and Living and Playing in the City Dump of Phnom Penh, Cambodia