Q: What do you call the symbiotic relationship where a parasite benefits while the host is harmed? Choices: - hostism - symbolic damage - invasion - parasitism A:
parasitism

Q: Electromagnets can be turned on or off and their strength can be changed by controlling what? Choices: - steady current - powered current - inducing current - electric current A:
electric current

Q: Q: Acceleration is defined as the change in what over time? Choices: - mass - direction - volume - velocity A:
A: velocity

Question: Q: What is thought to be the oldest eukaryotes? Choices: - amoebas - prokaryotes - arthropods - protists A:
Answer: protists

*Question*
Q: What energy source, now making a comeback, has helped propel ships and pump water for many years? Choices: - weather energy - geothermal energy - solar energy - wind energy A:
**Answer**
wind energy

(Q).
Q: In general, objects expand in all directions as temperature does what? Choices: - stays the same - cycles - decreases - increases A:
(A).
increases