Q: Snippet 2: one of the reasons the periodic table is so useful is because its structure allows us to qualitatively determine how some properties of the elements vary versus their position on the periodic table. the variation of properties versus position on the periodic table is called what? Choices: - chemical trends - gravity trends - acoustic trends - periodic trends A:
periodic trends

Q: The soil beneath a deciduous forest is called what? Choices: - cocklebur - forest floor - trichina - pedalfer A:
pedalfer

Q: Q: Because their embryos are surrounded by a thin membrane, reptiles are considered what? Choices: - carnivorous - vertebrates - lineages - amniotes A:
A: amniotes

Question: Q: What scale measures acidity? Choices: - frequency scale - richter scale - salinity scale - ph scale A:
Answer: ph scale

*Question*
Q: What is the rate at which a specific allele appears within a population called? Choices: - allele commonness - trait frequency - allele rarity - allele frequecy A:
**Answer**
allele frequecy

(Q).
Q: Fish and other aquatic organisms use gills to capture dissolved what? Choices: - food - sulfur - nitrogen - oxygen A:
(A).
oxygen