Part 1: human population growth
year
1. the data table below shows the changes in the human population over time. on the grid below, label and
scale each axis. then, plot the points from the data table below. connect the points with a smooth line.
use your completed graph and the data table to answer the questions on the next page.
human population
(in billions of people)
1650
0.5
1700
0.6
1750
0.7
1800
0.8
1850
1.2
1900
1.6
1910
1.8
1920
1.9
1930
2.1
1940
2.3
1950
2.6
1960
1970
3.7
1980
4.5
1990
5.3
2000
6.1
2010
6.9
3.1
human population growth, 1650 - 2010

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

The transport tubes from food came down the plant are called?

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a. one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b. one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c. one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.