Q: What two types of communication do both humans and birds use primarily? Choices: - sensual and auditory - material and auditory - interaction and auditory - visual and auditory A:
visual and auditory

Q: When does most amphibians' parenting end? Choices: - after adolescence - once offspring reach adulthood - never - once eggs have been laid A:
once eggs have been laid

Q: Q: What weather phenomenon is caused by strong warm updrafts from heated ground? Choices: - eruptions - currents - earthquakes - thunderstorms A:
A: thunderstorms

Question: Q: Experiments have shown that acceleration is exactly inversely proportional to mass, just as it is exactly linearly proportional to what? Choices: - net internal force - speed - kinetic energy - net external force A:
Answer: net external force

*Question*
Q: What is the term for the method of sending out ultrasound waves to determine the locations of objects? Choices: - catabolism - magnetism - morphology - echolocation A:
**Answer**
echolocation

(Q).
Q: The great astronomer edwin hubble discovered that all distant galaxies are receding from our milky way galaxy with velocities proportional to their what? Choices: - masses - paths - dimensions - distances A:
(A).
distances