Writing in Science
Explanatory Writing
Write a paragraph on the
trends in the growth of world
population from 1950 to
2050. Be sure to distinguish
between population growth
and population growth rate.
Hint: Refer to Figure 5-14 to
help with your explanation.

Textbook:Biology

Approximately what portion of the foods that we eat have been genetically modified in some way? a.fewer than 10% b.about 50% c.nearly 100%

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased

What happens when water’s salinity increases? mass decreases. freezing point decreases. buoyancy of objects decreases. the amount of dissolved minerals decreases.