The invisible barrier that hinders women and minorities from advancement up the corporate ladder
a. is the comparable worth issue.
b. is known as the glass ceiling.
c. has been ignored by congress.
d. has been reinforced by use of set-aside contracts.

there are treatment options for depression (mdd) that may work for you. one way of treating depression may be to affect the levels of certain chemicals that brain cells use to communicate, called neurotransmitters. scientists believe that certain neurotransmitters may be out of balance in depression.

although the exact way depression medications shown to ease overall depression symptoms in some people work is unknown, scientists think that some medications work by affecting the levels of a neurotransmitter called serotonin in the brain. other treatments work by affecting the levels of other neurotransmitters like norepinephrine or dopamine.

a. the moon was locked into orbit by the earths gravity as it was passing by and capture hypothesis i think