What is the following quotient? startfraction 9 + startroot 2 endroot over 4 minus startroot 7 endroot endfraction.

How often do neap tides occur? a. about once a month b. about twice a month c. about once a year d. about twice a year

Assessment includes a. interviews, recorded conversations, videos, frequency counts, and time samples. b. formal standardized tests and developmental screening tools. c. various types of documented observations, documentation of child work, checklists, rating scales, and standardized tests. d. anecdotal notes, narratives or daily records, daily health checks, and teacher observation checklists.

Summarize the work of famous environmental scientists of the past.