When Colgate encourages its current customers to brush more often by taking their toothbrush and toothpaste to work with them, which market opportunity is Colgate pursuing?

Market penetration.

Explanation:

Market penetration is one of the strategies used by marketers to gain market share and increase sales volume. This strategy has been used to sell existing goods and services of the company to the existing market or new market by using a different technique and schemes like discounts, bundling of products, offers, etc to improve sales volume and get a competitive advantage. It is measured by the volume of goods and services been used by the consumer in comparison to other competitor and it´s a share in the total market.

convection currents in magma drive plate tectonics. the answer is true.

there was no passage listed but using the process of elimination i'd say it was d. the high economy would do the opposite. i don't see how low prices would affect it. high unemployment is possible but i feel d is the better answer.