Question: Q: What happens when the kidneys cannot remove wastes from the blood? Choices: - tissue failure - intestinal failure - choanocyte failure - kidney failure A:
Answer: kidney failure

Question: Q: What type of ions do ionic compounds contain? Choices: - regular and irregular - positive and charged - negative and neutal - positive and negative A:
Answer: positive and negative

Question: Q: Has the average annual temperature on earth been rising or falling for the past 100 years? Choices: - unchanged - fluctuating - falling - rising A:
Answer:
rising