a science class had planted 10 milkweed plants and is charting their growth for a 6-month project. Half of the plant have been placed in sunny windows, and half have been placed in the floor where it's shady. The student's hypothesis is that the plants grown in the sun will grow taller and will also produce more leaves than the plants grown in the shade. The student's have been measuring the plants and counting their leaves each week. They have created this pie chart to display their results and help them determine whether their hypothesis is correct.

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