Q: What type of contamination causes almost 90% of diarrheal disease worldwide? Choices: - air contamination - ground contamination - food contamination - water supply contamination A:
water supply contamination

(Question)
Q: The end result of diffusion is an equal concentration, or equilibrium , of molecules on both sides of what? Choices: - the cell - the organism - the organelle - the membrane A:
(Answer)
the membrane

Ques: Q: What do decomposers release when they break down dead organisms? Choices: - methane - carbon dioxide - acids - nutrients A:
Ans: nutrients

(Q).
Q: What are the two types of properties that matter has? Choices: - nature and purpose - composition and weight - size and shape - physical and chemical A:
(A).
physical and chemical

Ques:Q: Each type of electromagnetic radiation has a characteristic range of wavelengths. the longer the wavelength (or the more stretched out it appears), the less energy is carried. short, tight waves carry what? Choices: - kinetic energy - heat - sound - most energy A:

Ans:most energy

Question: Q: What part of a bird is adapted for the food it eats? Choices: - teeth - head - eye - beak A:
Answer:
beak