Q: When waves are reflected at the same angle, what is it called? Choices: - field of view - refraction - phenomenon of reflection - angle of reflection A:
angle of reflection

Q: When a wave travels down a string, the string vibrates up and down at right angles to the wave's what? Choices: - frequency - pressure - gravity - direction A:
direction

Q: Q: What type of compounds can form crystals? Choices: - integral compounds - magnetic compounds - molecular compounds - ionic compounds A:
A: ionic compounds

Question: Q: What is above each leaf scar? Choices: - chambered pitch - lenticel - stipule scar - an axillary bud A:
Answer: an axillary bud

*Question*
Q: How does air always flow? Choices: - in to out - left to right - low to high - high to low A:
**Answer**
high to low

Q: What is part of a cycle that holds an element or water for a long period of time called? Choices: - homeostasis - a ditch - a holding tank - a reservoir A:
a reservoir