1. what is the main reason for the earth's expanding population?
a)increased birth rates across the globe
b)incentives for couples to have more children in industrialized countries
c)a world-wide lack of birth control
d)lower death rates dues to better hygiene, sanitation, & nutrition

2. which of the following statements about globalization is not correct?
a)it is a hotly debated issue
b)globalization provides a bigger market and more variety for consumers
c)globalization is a phenomenon embraced by all
d)globalization affects every country politically, socially, & economically

Question 1: The main reason for Earth's expanding population is lower death rates dues to better hygiene, sanitation, and nutrition (option d).

Those factors (better hygiene, sanitation, and nutrition) have permitted to increase considerably the life expectation: new borns have more opportunities to get to adult age, and adults have are more likely to become elder. 

Question 2: It is not correct that globalization is a phenomenon embraced by all (option c).

On the contrary it is a debated topic. Some people and groups object the consequences of globalization, arguing that they affect negatively small countries who are less competitive than large ones, and also using transculturization arguments.