Q: Q: What is the set of steps that scientists use to learn about the world? Choices: - philosophic method - rhythm method - Socratic method - scientific method A:
A: scientific method

Q: Q: What determines the length and thickness of dna chromosomes? Choices: - degree of rna coiling - type of dna - number of chromosomes - degree of dna coiling A:
A: degree of dna coiling

Q: Q: What is another word for thermal energy? Choices: - solar - humidity - temperature - heat A:
A: heat

Q: Q: The ability of matter to combine chemically with other substances is known as? Choices: - turbidity - solubility - permeability - reactivity A:
A: reactivity