1. An object carries a charge of q = +4x10-8C. How many electrons are needed to make it elec-
trically neutral?

If gases like carbon dioxide and methane make up less than 1% of the total atmosphere, why is it important for scientists to monitor changes in percentages of these gases?

The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.

Which of the following statement is false