Q: What type of relationship is parasitism? Choices: - primordial relationship - enzymatic relationship - hypodermic relationship - symbiotic relationship A:
symbiotic relationship

(Question)
Q: What are the two main types of air pollutants? Choices: - a and b - new and old - good and bad - primary and secondary A:
(Answer)
primary and secondary

Ques: Q: Gaseous nitrogen is converted into forms that can be used by plants during a process called what? Choices: - oxygen fixation - dioxide fixation - plant fixation - nitrogen fixation A:
Ans: nitrogen fixation

(Q).
Q: Destructive interference in waves occurs when what things overlap? Choices: - two waves - three waves - three troughs - two troughs A:
(A).
two troughs

Ques:Q: Most of these bacterial illnesses can be prevented with proper cooking of food and washing what? Choices: - vegetables - hair - teeth - hands A:

Ans:hands

Question: Q: What are lipids that contain phosphorus called? Choices: - amino acids - alkaloids - eukaryotes - phospholipids A:
Answer:
phospholipids