Q: What natural destructive element cuts away at rock forming river valleys? Choices: - sediment - lava - air - water A:
water

(Question)
Q: What's the name for a cluster of genes, where one promoter serves adjacent genes? Choices: - nucleus - proton - plasma - opteron A:
(Answer)
opteron

Ques: Q: What kind of map can show the features of the bottom of a body of water? Choices: - topographic - basic - country - bathymetric A:
Ans: bathymetric

(Q).
Q: Which branch of biology studies animal behavior? Choices: - microbiology - anthropology - embryology - ethology A:
(A).
ethology

Ques:Q: Gfci stands for ground-fault circuit what? Choices: - inspiration - infers - isolates - interrupter A:

Ans:interrupter

Ques: Q: While spermatogenesis produces four haploid sperm cells, oogenesis produces one mature what? Choices: - egg - semen - datum - ovum A:
Ans:
ovum