Q: Pure constructive interference and pure destructive interference are distinguished by whether or not identical waves are what? Choices: - before phase - in equilibrium - after phase - in phase A:
in phase

Q: Average acceleration is the rate of change of what? Choices: - direction - speed - displacement - velocity A:
velocity

Q: Q: What happens to most of the energy in a trophic level as it passes to the next higher level? Choices: - it increases - it is transferred - it stays the same - it is lost A:
A: it is lost

Question: Q: What are 2 common growth patterns of population? Choices: - migratory and logistic - exponential and economical - organic and inorganic - exponential and logistic A:
Answer: exponential and logistic

*Question*
Q: While climate change in earth history was due to natural processes, what is primarily to blame for recent global warming? Choices: - wars - volcanos - factories - human actions A:
**Answer**
human actions

*Question*
Q: If the frequency of the electromagnetic wave is the same as the natural frequencies of the system, the transfer of what is much more efficient? Choices: - heat - sound - light - energy A:
**Answer**
energy