In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
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Question: Question: Terry's system wastes 50% of its energy, while Rick's system wastes 75%. The less efficient system is 
 Answer: Rick's

Answer: The greater the wasted output energy, the less efficient the system.


Question: Question: Tasha is studying birth rates in various countries. She looks at two countries. In South Africa, the food supply is currently higher than in Australia. Because of this, the birth rate in South Africa, compared to Australia, will be 
 Answer: higher

Answer: Low food supply or a lack of space can lower birth rates, increase death rates, or lead to emigration.


Question: Question: If Mona is building an electrical device and she increases the total resistance of it, what happens to the current strength? 
 Answer: decreases

Answer:
As the total resistance increases, the current strength decreases.