Q: What system disorders include kidney stones, kidney failure, and urinary tract infections? Choices: - nervous system - digestive system - renal system - urinary system A:
urinary system

(Question)
Q: Video and audio signals are broadcast on these? Choices: - mechanical waves - radiation waves - thermal waves - electromagnetic waves A:
(Answer)
electromagnetic waves

Ques: Q: A complementary pair of chromosomes have genes for the same characteristics in the same location on the chromosome are known as? Choices: - analogous chromosomes - endroctyne chromosomes - symbiotic chromosomes - homologous chromosomes A:
Ans: homologous chromosomes

(Q).
Q: What part of the kangaroo helps it balance when it leaps as well as when it sits? Choices: - large feet - the pouch - the spine - the tail A:
(A).
the tail

Ques:Q: What do aquatic arthropods use to exchange gases with the water? Choices: - nostrils - pores - lungs - gills A:

Ans:gills

Ques: Q: Materials such as metals have low resistance to electric current, what are they called? Choices: - electric channel - electric channels - electric conduit - electric conductors A:
Ans:
electric conductors