Answer:
Katherines oppurtunity cost is the cost of getting to the lecture event itself plus the reduction in her physics exam grade by not studying tonight.
Explanation:
Explanation:Under the 1999 constitution, executive power is vested in a president who serves as both the head of state and the chief executive, is directly elected to a four-year term, and nominates the vice president and members of the cabinet. The constitution provides for a bicameral National Assembly, which consists of the House of Representatives and the Senate. Each state elects 10 members to the House of Representatives for four-year terms; members of the Senate—three from each state and one from the Federal Capital Territory—also are elected to four-year terms.
Competition is to challenge each other .
Animals in the desert eat the plants, and when the plants are eaten, the feces dropped by the animal is dropped on the ground, with the plant's seeds inside it. The plant seed can then flourish. I'm not sure if this is the kind of answer you want, but this relationship is applicable in most biomes