Q: What occurs when two waves combine and cancel each other out? Choices: - terrible interference - primitive interference - molecular interference - destructive interference A:
destructive interference

Q: What disease is described as a respiratory disorder characterized by wheezing, coughing, and a feeling of constriction in the chest? Choices: - indigestion - dementia - inflammation - asthma A:
asthma

Q: Q: Chloroplasts are the little green particles in plants made up of what colorful pigment? Choices: - verdigris - carbonate - melanin - chlorophyll A:
A: chlorophyll

Question: Q: What bodily system handles taking in oxygen, getting rid of carbon dioxide, aiding in speech production and sensing odors? Choices: - pulmonary system - circulatory system - nervous system - respiratory system A:
Answer: respiratory system

*Question*
Q: Which is larger: the human sperm or the human egg? Choices: - same size - zygote - human sperm - human egg A:
**Answer**
human egg

*Question*
Q: What term refers to the conditions of the atmosphere from day to day? Choices: - climate - temperture - humidity - weather A:
**Answer**
weather