Q: When electricity is passed through solid sodium it changes into what and gives off light? Choices: - plasma - liquids - hydrocarbons - gas A:
gas

(Question)
Q: Which theory is the idea that the characteristics of living organisms are controlled by genes, which are passed from parents to their offspring? Choices: - species theory - evolution theory - fossil theory - gene theory A:
(Answer)
gene theory

Ques: Q: What is the basic unit of an organism called? Choices: - electron - singularity - particle - cell A:
Ans: cell

(Q).
Q: The major fuel for the brain is which carbohydrate? Choices: - glutamate - sucrose - insulin - glucose A:
(A).
glucose

Ques:Q: What stimulates the changes of pubery? Choices: - sex education - mutation - parenting - sex hormones A:

Ans:sex hormones

Question: Q: Elements are pure substances that make up what? Choices: - some matter - Objects - Solids - all matter A:
Answer:
all matter