Q: What is one problem with current methods of aluminum production? Choices: - food shortages - competition - recycling is cheap - environmental contaminants A:
environmental contaminants

(Question)
Q: What type of graph is useful for showing percents of a whole? Choices: - shift graphs - gnomic graphs - bar graphs - circle graphs A:
(Answer)
circle graphs

Ques: Q: In a car race on a circular track, where the start and finish line are the same, what quantity is neglible? Choices: - total acceleration - partial displacement - total distance - total displacement A:
Ans: total displacement

(Q).
Q: What substance can be identified by their atomic number and mass number? Choices: - structures - compounds - solutions - elements A:
(A).
elements

Ques:Q: What process allows an individual to develop from a single cell into an organism with trillions of cells? Choices: - cell transition - Cell multiplication - cell function - cell division A:

Ans:cell division

Q: When blood vessels in the head dilate, what kind of severe headache can occur? Choices: - malignant - chronic headache - tension headache - migraine A:
migraine