Riddle... You can touch me, You can break me, You should win me if you want to be mine. What am I

Long-term alcohol use can cause major depression. a. true b. false

Treatment of psychological disorders: a. can offer significant relief b. often makes the problem worse. c.is often unclear d. is rarely .

Without stratospheric ozone, which of the following would most likely occur? i. smog over major cities would be greatly reduced. ii. farms would produce surplus crops because of increased photosynthesis. iii. uv radiation would damage phytoplankton and reduce populations of aquatic consumers. i only ii only iii only i and ii i and iii