Ninety per cent of the world population occupies land area
1.30%
2.40%
3.70%

The remaining seventy per cent of the land is
1.Either sparsely populated or uninhabited.
2.thinly populated
3.thickly populated

How much % does the land cover of the total area of the earth’s surface
1.70%
2.80%
3.30%

Densely populated areas of the world are
1.Hills
2.Plains and river valleys
3.Plateaus

The use of land is determined by
1.Technical factors
2.Physical factors and human factors
3.Mechanical factors

When analyzing the election of 1876, what conclusion can be drawn? a.a majority of northerners wanted to enforce reconstruction policies more stringently.b.if tilden had won the electoral votes from louisiana, florida, or south carolina, he would have been elected president.c.the republican party had increased its support in the south.d.rutherford hayes did poorly in the western states.e.the republican party did a good job protecting the voting rights of african-americans in mississippi.

Which of the following methods could be considered a "best practice" in terms of informing respondents how their answers to an on-line survey about personal information will be protected? respondents are informed that investigators will try to keep their participation confidential; however, confidentiality cannot be assured.respondents are informed that a research assistant will transfer all the research data to a password-protected computer that is not connected to the internet, via a usb flashdrive. the computer is located in a research team member's office.the investigator uses the informed consent process to explain her institution's method for guaranteeing absolute confidentiality of research data.the investigator uses the informed consent process to explain how respondent data will be transmitted from the website to his encrypted database without ever recording respondents' ip addresses, but explains that on the internet confidentiality cannot be absolutely guaranteed.the investigator uses the informed consent process to explain how respondent data will be transmitted from the website to his encrypted database without ever recording respondents' ip addresses, but explains that on the internet confidentiality cannot be absolutely guaranteed

When a explodes, radioactive material is dispersed. understanding terrorism: select the best answer from the choices provided. a. germ bomb b. dirty bomb c. chemical explosive d. commercial airplane