Q: Where are protons and neutrons located? Choices: - radius - electron shell - epidermis - nucleus A:
nucleus

Q: When a stream flows from a hard to soft rock area, what is often formed? Choices: - a lake - a river - a riverbank - a waterfall A:
a waterfall

Q: Q: What is the opening in the front of the eye? Choices: - the macula - the iris - the cornea - the pupil A:
A: the pupil

Question: Q: Today, new elements are usually named after famous scientists. the names of the elements can be cumbersome to write in full, especially when combined to form the names of compounds. therefore, each element name is abbreviated as a one- or two-letter chemical this? Choices: - notation - title - shorthand - symbol A:
Answer: symbol

*Question*
Q: What does all matter consist of? Choices: - carbon - helium - oxygen - atoms A:
**Answer**
atoms

(Q).
Q: What resource is considered nonrewable for human purposes, because it takes so long to form and is depleted by farming and other activities? Choices: - water - acid - sunshine - soil A:
(A).
soil