The irregular street layout of lower manhattan – a legacy of dutch settlement during the 17th century – contrasts sharply with the 19th century grid system instituted by later inhabitants, which covers the rest of manhattan. this is an example of . [type two words.]

population geographers are distinguished from demographers because they study population characteristic in a . [type one word.]

botswana

explanation:

the kalahari desert covers much of the southern half of the country, botswana.

this is from the test:

if he does not use open the compass the a width greater than half of po, he will not be able to find the midpoint of the line, without the midpoint of the line, he will not be able to bisect the line.   to find the midpoint of a line the circles drawn with a compass must either intersect or be touching.