Q: Density is defined as the mass of an object divided by its what? A:
OPTIONS:
- size
- liquid
- growth
- volume
volume

Q: The right atrium receives all of the systemic venous return. most of the blood flows into either the superior vena cava or this? A:
OPTIONS:
- resulted vena cava
- identical vena cava
- exterior vena cava
- inferior vena cava

Answer: inferior vena cava

Question: Q: The purpose of scientific investigations generally is to test a what? A:
OPTIONS:
- theory
- question
- suggestion
- hypothesis
Answer: hypothesis

input with options: Q: What type of organism has many different specialized cells that work together to carry out life processes? A:
OPTIONS:
- single-celled organism
- mutated organism
- sequenced organism
- multicellular organism
output: multicellular organism

Q: Q: Carbon is a nonmetal with a significantly higher electronegativity; it is therefore more likely to accept electrons in what kind of reaction? A:

OPTIONS:
- reversable reaction
- catalyst reaction
- isotope reaction
- redox reaction

A: redox reaction

Q: What is the term for a natural situation which arises to physically divide organisms? A:
OPTIONS:
- assimilation
- reproduction
- extinction
- vicariance
vicariance