Q: Algae convert energy from the sun into food by means of what process? Choices: - luminosynthesis - compression - glycolysis - photosynthesis A:
photosynthesis

Q: What moves nitrogen back and forth between the atmosphere and organisms? Choices: - the calcium cycle - the Krebs cycle - the leakage cycle - the nitrogen cycle A:
the nitrogen cycle

Q: Q: What is the difference between the daily high and the daily low? Choices: - weather forecast - margin of error - sunrise and sunset - tidal change A:
A: tidal change

Question: Q: What is magnetism produced by an electrical current? Choices: - strong magnetism - hydromagnetism - exomagnetism - electromagnetism A:
Answer: electromagnetism

*Question*
Q: What planet in our solar system has a moon with volcanic activity? Choices: - Mars - Venus - Saturn - jupiter A:
**Answer**
jupiter

Q: What makes breathing difficult due to respiratory system disease? Choices: - weak lungs - slippery air passages - water in the lungs - narrow air passages A:
narrow air passages