Country a: 226 people/sq. mile(physiological density), 8078 people/sq. mile(arable land %) Country b: 84 people/sq. mile(physiological density), 498 people/sq. mile( arable land %)

Which country above has the greater need for food importing, and why?

The lifeguard at the local beach record the tides each day the chart below shows the high and low tides over two days

Who gave the famous "i have a dream" speech at the march on washington?

According to subpart d, research with children may be eligible for exemption when: the children will be asked to complete a surveythe research involves the use of educational teststhe children will be interviewed by the researcher. the research with children will involve participant observation with researcher interaction.