Maya is preparing a presentation about photosynthesis for her science class. She wants to use text to explain the process plants use to get energy, but she would also like to incorporate a purposeful media example. Which media example would be best for Maya’s presentation?

a map showing the home countries of notable photosynthesis scholars
a video showing different types of plants in the world
a diagram that explains the steps involved in photosynthesis
a graph that tracks the changes in the Sun’s magnetic field

Identify the trade regulation concept described in each scenario. protectionism free trade trade war country a and country b want to develop their respective export markets. both countries have highly developed agricultural, industrial, and service sectors. the countries decide to initially lower trade barriers and eventually remove them completely. arrowright country a has an agrarian economy with an emerging industrial sector. to allow domestic industries to grow, country a applies quotas on all industrial products except those that are used as resources. arrowright country a passes an economic policy that will indirectly give its own companies an advantage over country b’s companies. country b alleges that the policy violates the countries’ trade agreement and imposes retaliatory tariffs. arrowright