Q: What technology do scientists use to create models? Choices: - calculators - patterns - microscopes - computers A:
computers

(Question)
Q: What is a controlled scientific study of specific variables called? Choices: - practicum - example - variation - experiment A:
(Answer)
experiment

Ques: Q: Acids turn blue litmus paper which color? Choices: - grey - white - purple - red A:
Ans: red

(Q).
Q: Cerebral palsy is a disease caused by injury to what organ as it is developing? Choices: - heart - skin - liver - brain A:
(A).
brain

Ques:Q: What change the physical properties of solvents? Choices: - molecules - cells - chemical reactions - solutes A:

Ans:solutes

Ques: Q: Dna replication, chromosome segregation, and the separation into two daughter cells are steps in what process? Choices: - reproductive fission - nuclear fission - multiple fission - binary fission A:
Ans:
binary fission