Q: What is formed when nitrogen and sulfur oxides dissolve in rain? Choices: - toxic rain - ozone - hail - acid rain A:
acid rain

Q: The radiation exposure is determined by the number of what times the quality factor of the radiation? Choices: - pounds - units - beacons - rads A:
rads

Q: Q: What must two nuclei do for fusion to occur? Choices: - explode - melt - repel each other - collide A:
A: collide

Question: Q: What is the primary component of steel alloys? Choices: - carbon - titanium - alluminum - iron A:
Answer: iron

*Question*
Q: What is a mutation? Choices: - change in the distinct sequence of dna - change in the swetha sequence of dna - change in the rna sequence of dna - change in the nucleotide sequence of dna A:
**Answer**
change in the nucleotide sequence of dna

(Question)
Q: What type of organism is a bacteria? Choices: - multicellular organism - fungi - paramecium - single-celled prokaryotic A:
(Answer)
single-celled prokaryotic