Which of the following tasks does a forensic scientist not have?
a)analyzing evidence

b)giving expert testimony

c)signing search warrants

d)training officers in how to collect evidence

The answer would be C.) Signing search warrants

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

because the light is a great source of energy for the plants to survive. (i hope this )