(Q).
Q: What tool is useful for studying the ocean floor because the environment is remote and underwater? Choices: - microscope - telescope - scale - sonar A:
(A).
sonar

(Q).
Q: What do the letters in our blood types represent? Choices: - genomes - proteins - iron levels - alleles A:
(A).
alleles

(Q).
Q: After spermatids form, they move where to mature into sperm? Choices: - into the prostate - into the volaris - into the vans deferens - into the epididymis A:
(A).
into the epididymis