If two stars differ in magnitude by 15 magnitude What is the ratio of the brightness

4. when a child cries out during rough play, the caregiver should a. encourage the distressed child to fight back. b. respond immediately, since the behavior has changed to fighting. c. ignore it, because rough play is a natural part of children’s learning. d. ignore the request for unless there has been an injury. i need answer

Who pays into social security a employees b self employed c employers d all of the above

30 a town is built on the banks of a small lake on the edge of a desert. after some time, the townspeople discover that water from the lake has become too polluted to use. describe one way that the lake may have been contaminated by the actions of the townspeople, and explain how the townspeople can remediate this problem.